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Full file at https://fratstock.eu

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or

answers the question.

1) Which of the following terms is a metric unit of length? 1) _______

A) milliliter

B) centimeter

C) second

D) gram

E) none of the above

2) What is the term for a statement of two exactly equal values? 2) _______

A) exact equivalent

B) identical equivalent

C) identical value

D) exact value


3) What is the term for a number that indicates a value is multiplied by

itself one or more times?

3) _______

A) reciprocal

B) scientific notation

C) power of 10

D) exponent


4) Which of the following terms is a metric unit of mass? 4) _______

A) second

B) gram

C) centimeter

D) milliliter


5) What is the general term for any device that records a measurement? 5) _______

A) instrument

B) tool

C) technology

D) appliance


6) What is the term for the amount of substance measured by a laboratory

balance?

6) _______

A) length

B) volume

C) mass

D) weight


7) What is the term for a numerical value and unit that expresses a mass,

length, or volume?

7) _______

A) measurement

B) estimation

C) quantity

Full file at https://fratstock.euD) assessment


8) Which of the following terms is a metric unit of volume? 8) _______

A) second

B) centimeter

C) milliliter

D) gram


9) What is the term for the digits in a measurement that exceed the

certainty of the instrument?

9) _______

A) uncertain digits

B) significant digits

C) nonsignificant digits

D) inexact digits


10) What is the term that expresses the amount of a single quantity

compared to an entire sample?

10) ______

A) proportion

B) reciprocal

C) quotient

D) percent


11) What is the term for ten followed by a positive or negative exponent? 11) ______

A) exponential notation

B) scientific notation

C) calculator notation

D) power of 10


12) What is the term for the relationship of a fraction and its inverse? 12) ______

A) percent

B) proportion

C) reciprocal

D) ratio


13) What is the term for eliminating digits that are not significant? 13) ______

A) simplification

B) exclusion

C) elimination

D) rounding off


14) What is the term for a method of expressing a value by placing a

decimal after the first significant digit and indicating the magnitude

using a power of 10?

14) ______

A) engineering notation

B) fixed decimal notation

Full file at https://fratstock.euC) scientific notation

D) calculator notation


15) What is the term for the certain digits in a measurement plus one

estimated digit?

15) ______

A) instrumental digits

B) nonsignificant digits

C) certain digits

D) significant digits


16) What is the term for the inexactness of an instrumental measurement? 16) ______

A) error

B) precision

C) accuracy

D) uncertainty


17) What is the term for a systematic method of problem solving which

proceeds from a given value to a desired value by the conversion of

units?

17) ______

A) algebraic analysis

B) conversion analysis

C) unit analysis

D) problem analysis


18) What is the term for a statement of two equivalent quantities? 18) ______

A) unit equivalent

B) unit factor

C) unit equation

D) unit analysis


19) What is the term for the ratio of two equivalent quantities? 19) ______

A) unit equation

B) unit analysis

C) unit equivalent

D) unit factor


20) What is the term for the gravitational force of attraction between an

object and Earth?

20) ______

A) mass

B) length

C) volume

D) weight


21) Which of the following instruments provides an exact measurement? 21) ______

A) metric balance

Full file at https://fratstock.euB) metric ruler

C) metric pipet

D) all of the above


22) Which of the following instruments provides an exact measurement? 22) ______

A) milliliter pipet

B) millimeter ruler

C) milligram balance

D) all of the above


23) Which of the following quantities can be measured exactly? 23) ______

A) volume

B) time

C) mass

D) length


24) Which of the following metric rulers has the least uncertainty? 24) ______

A) Ruler A, ± 1 cm

B) Ruler D, ± 0.05 cm

C) Ruler B, ± 0.1 cm

D) Ruler C, ± 0.5 cm

E) Ruler E, ± 5 cm

25) Which of the following balances has the least uncertainty? 25) ______

A) double-pan balance, ± 1 g

B) platform balance, ± 0.1 g

C) electronic balance, ± 0.001 g

D) triple-beam balance, ± 0.01 g

E) analytical balance, ± 0.0001 g

26) Which of the following volume instruments has the least uncertainty? 26) ______

A) graduated cylinder, ± 0.5 mL

B) hypodermic syringe, ± 0.001 mL

C) volumetric pipet, ± 0.1 mL

D) volumetric flask, ± 0.05 mL

E) buret, ± 0.01 mL

27) How many significant digits are in the length measurement 10.01

meters?

27) ______

A) 1

B) 3

C) 4

D) 2



centimeters?

28) ______

A) 3

B) 4

Full file at https://fratstock.euC) 2

D) 1



meter?

29) ______

A) 1

B) 4

C) 2

D) 3


30) How many significant digits are in the mass measurement 30.406

grams?

30) ______

A) 4

B) 3

C) 2

D) 1


31) How many significant digits are in the mass measurement 0.050 gram? 31) ______

A) 3

B) 2

C) 4

D) 1


32) How many significant digits are in the mass measurement 1.050 grams? 32) ______

A) 2

B) 4

C) 1

D) 3


33) How many significant digits are in the volume measurement 4040.0

liters?

33) ______

A) 3

B) 4

C) 5

D) 2


34) How many significant digits are in the volume measurement 0.250 liter? 34) ______

A) 3

B) 4

C) 1

D) 2


35) How many significant digits are in the volume measurement 0.010 liter? 35) ______

A) 3

B) 2

Full file at https://fratstock.euC) 4

D) 1


36) How many significant digits are in the time measurement 60.010

seconds?

36) ______

A) 1

B) 3

C) 4

D) 2


37) How many significant digits are in the time measurement 0.0036

second?

37) ______

A) 2

B) 3

C) 4

D) 1


38) How many significant digits are in the time measurement 20,000

seconds?

38) ______

A) 4

B) 2

C) 3

D) 1


39) How many significant digits are in the length measurement 61,000

centimeters?

39) ______

A) 3

B) 5

C) 4

D) 2


40) How many significant digits are in the mass measurement 20,000

kilograms?

40) ______

A) 2

B) 1

C) 4

D) 3


41) How many significant digits are in the volume measurement 50,000

milliliters?

41) ______

A) 2

B) 3

C) 1

D) 4


Full file at https://fratstock.eu42) Round off the following measurement to three significant digits: 307.45

cm.

42) ______

A) 307.5 cm

B) 307 cm

C) 308 cm

D) 307.0 cm

E) 307.4 cm

43) Round off the following measurement to three significant digits: 19.945

g.

43) ______

A) 19.9 g

B) 19.950 g

C) 19.0 g

D) 19.945 g

E) 20.0 g


mL.

44) ______

A) 35.40 mL

B) 35.3 mL

C) 35.0 mL

D) 35.4 mL

E) 35.30 mL

45) Round off the following measurement to three significant digits: 2252

cm.

45) ______

A) 2260 cm

B) 226 cm

C) 225 cm

D) 230 cm

E) 2250 cm

46) Round off the following measurement to three significant digits: 1255 g. 46) ______

A) 1250 g

B) 126 g

C) 125 g

D) 130 g

E) 1260 g

47) Round off the following measurement to three significant digits: 3261

mL.

47) ______

A) 3260 mL

B) 326 mL

C) 320 mL

D) 3270 mL

E) 327 mL

48) Add 25.5 cm to 0.50 cm and round off the answer. 48) ______

A) 26 cm

B) 26.0 cm

C) 26.1 cm

D) 27 cm

Full file at https://fratstock.euE) 26.05 cm

49) Add 7.77 g to 11.666 g and round off the answer. 49) ______

A) 19.43 g

B) 19.436 g

C) 19.0 g

D) 19.4 g

E) 19.44 g

50) Add 250.0 mL to 5.00 mL and round off the answer. 50) ______

A) 255.00 mL

B) 255 mL

C) 250 mL

D) 255.0 mL

E) 256 mL

51) Subtract 0.25 cm from 11.5 cm and round off the answer. 51) ______

A) 11.0 cm

B) 11.25 cm

C) 11.2 cm

D) 11.3 cm

E) 11 cm

52) Subtract 0.25 g from 31.116 g and round off the answer. 52) ______

A) 30.866 g

B) 30.87 g

C) 31 g

D) 30.8 g

E) 30.9 g

53) Subtract 10.0 mL from 45.65 mL and round off the answer. 53) ______

A) 35.7 mL

B) 35 mL

C) 35.65 mL

D) 36 mL

E) 35.6 mL

54) Multiply 5.55 cm times 2 cm and round off the answer. 54) ______

A) 10 cm2

B) 11 cm2

C) 11.1 cm2

D) 11.0 cm2

E) 10.0 cm2

55) Multiply 1.05 cm times 2.2 cm and round off the answer. 55) ______

A) 2.3 cm2

B) 2 cm2

C) 3 cm2

D) 2.0 cm2

E) 2.31 cm2

Full file at https://fratstock.eu56) Multiply 2.505 cm times 1.75 cm and round off the answer. 56) ______

A) 4.0 cm2

B) 4.384 cm2

C) 4.40 cm2

D) 4.00 cm2

E) 4.38 cm2

57) Multiply 2.505 m by 1.75 m by 1.0 m and round off the answer. 57) ______

A) 4 m3

B) 4.4 m3

C) 4.38 m3

D) 4.0 m3

E) 4.384 m3


A) 1.6 m3

B) 2 m3

C) 1.58 m3

D) 1.575 m3

E) 1.60 m3


A) 41.99 m3

B) 42.0 m3

C) 42.00 m3

D) 42 m3

E) 41.9 m3

60) Divide 124.7 miles by 2.25 hours and round off the answer. 60) ______

A) 50 mi/h

B) 55 mi/h

C) 55.5 mi/h

D) 55.0 mi/h

E) 55.4 mi/h

61) Divide 2882 centimeters by 14.575 seconds and round off the answer. 61) ______

A) 197 cm/s

B) 197.74 cm/s

C) 198 cm/s

D) 197.7 cm/s

E) 198.0 cm/s

62) Divide 11.375 grams by 10.0 milliliters and round off the answer. 62) ______

A) 1.1 g/mL

B) 1.138 g/mL

C) 1.1375 g/mL

D) 1.13 g/mL

E) 1.14 g/mL

Full file at https://fratstock.eu63) Express 1,000,000,000,000,000,000,000,000,000 in exponential form. 63) ______

A) 1 × 10—27

B) 1 × 1027

C) 1 × 1028

D) 1 × 10—26


64) Express 10,000,000,000,000,000,000,000 in exponential form. 64) ______

A) 1 × 10—22

B) 1 × 1022

C) 1 × 10—21

D) 1 × 1021


65) Express 100,000,000,000,000,000,000 in exponential form. 65) ______

A) 1 × 10—18

B) 1 × 1020

C) 1 × 10—20

D) 1 × 1018


66) Express 0.000 000 000 000 1 in exponential form. 66) ______

A) 1 × 10—13

B) 1 × 1013

C) 1 × 10—1

D) 1 × 10—12



A) 1 × 1014

B) 1 × 10—14

C) 1 × 10—1

D) 1 × 10—15



A) 1 × 10—1

B) 1 × 1015

C) 1 × 10—16

D) 1 × 10—15


69) Express the exponential number 5.15 × 105 as an ordinary number. 69) ______

A) 0.000 051 5

B) 515,000

C) 51,500

D) 0.000 515


Full file at https://fratstock.eu70) Express the exponential number 1.11 × 104 as an ordinary number. 70) ______

A) 0.000 111

B) 0.000 011 1

C) 111,000

D) 11,100


71) Express the exponential number 6.26 × 103 as an ordinary number. 71) ______

A) 0.000 626

B) 0.006 26

C) 62,600

D) 6,260


72) Express the exponential number 1.51 × 10—5 as an ordinary number. 72) ______

A) 15,100

B) 0.000 151

C) 151,000

D) 0.000 015 1



A) 0.000 225

B) 22,500

C) 225,000

D) 0.000 022 5



A) 5,550

B) 0.000 555

C) 55,500

D) 0.005 55


75) One cubic centimeter of helium gas contains 26,900,000,000,000,000,000

atoms at standard conditions. Express this number of atoms in scientific

notation.

75) ______

A) 2.69 × 1017

B) 26.9 × 1019

C) 2.69 × 1019

D) 26.9 × 1018

E) 2.69 × 1018

76) Ten milliliters of neon gas contains 269,000,000,000,000,000,000 atoms at

standard conditions. Express this number of atoms in scientific notation.

76) ______

A) 2.69 × 1019

B) 2.69 × 1018

C) 269 × 1019

D) 2.69 × 1020

Full file at https://fratstock.euE) 269 × 1018

77) One liter of argon gas contains 26,900,000,000,000,000,000,000 atoms at

standard conditions. Express this number of atoms in scientific notation.

77) ______

A) 2.69 × 1022

B) 26.9 × 1021

C) 26.9 × 1022

D) 2.69 × 1021

E) 2.69 × 1020

78) One gram of carbon contains 50,200,000,000,000,000,000,000 atoms.

Express this number of carbon atoms in scientific notation.

78) ______

A) 50.2 × 1021

B) 5.02 × 1023

C) 50.2 × 1022

D) 5.02 × 1022

E) 5.02 × 1021

79) One gram of silver contains 5,580,000,000,000,000,000,000 atoms. Express

this number of silver atoms in scientific notation.

79) ______

A) 5.58 × 1022

B) 55.8 × 1021

C) 5.58 × 1020

D) 5.58 × 1021

E) 55.8 × 1020

80) One gram of gold contains 3,060,000,000,000,000,000,000 atoms. Express

this number of gold atoms in scientific notation.

80) ______

A) 3.06 × 1020

B) 30.6 × 1021

C) 30.6 × 1020

D) 3.06 × 1022

E) 3.06 × 1021

81) A carbon atom has a mass of 0.000 000 000 000 000 000 000 199 g.

Express the mass in scientific notation.

81) ______

A) 1.99 × 10—21 g

B) 1.99 × 10—23 g

C) 1.99 × 1021 g

D) 1.99 × 10—22 g

E) 1.99 × 1022 g

82) An aluminum atom has a mass of 0.000 000 000 000 000 000 000 448 g.

Express the mass in scientific notation.

82) ______

A) 4.48 × 10—22 g

B) 4.48 × 10—21 g

C) 4.48 × 1022 g

D) 4.48 × 1021 g

Full file at https://fratstock.euE) 4.48 × 10—23 g

83) An iron atom has a mass of 0.000 000 000 000 000 000 000 928 g. Express

the mass in scientific notation.

83) ______

A) 9.28 × 10—22 g

B) 9.28 × 1021 g

C) 9.28 × 10—23 g

D) 9.28 × 1022 g

E) 9.28 × 10—21 g

84) The radius of a carbon atom is 0.000 000 000 077 meter. Express the

atomic radius in scientific notation.

84) ______

A) 7.7 × 109 m

B) 7.7 × 1010 m

C) 7.7 × 10—10 m

D) 7.7 × 10—9 m

E) 7.7 × 10—11 m

85) The radius of a sodium atom is 0.000 000 000 186 meter. Express the


85) ______

A) 1.86 × 10—11 m

B) 1.86 × 10—10 m

C) 1.86 × 109 m

D) 1.86 × 1010 m

E) 1.86 × 10—9 m

86) The radius of a lead atom is 0.000 000 000 175 meter. Express the atomic

radius in scientific notation.

86) ______

A) 1.75 × 10—10 m

B) 1.75 × 10—9 m

C) 1.75 × 109 m

D) 1.75 × 1010 m

E) 1.75 × 10—11 m

87) The radius of an oxygen atom is 0.000 000 066 centimeter. Express the


87) ______

A) 6.6 × 10—7 cm

B) 6.6 × 10—9 cm

C) 6.6 × 10—8 cm

D) 6.6 × 108 cm

E) 6.6 × 109 cm

88) The radius of a chlorine atom is 0.000 000 099 centimeter. Express the


88) ______

A) 9.9 × 108 cm

B) 9.9 × 10—8 cm

C) 9.9 × 10—6 cm

D) 9.9 × 10—7 cm

Full file at https://fratstock.euE) 9.9 × 107 cm

89) The radius of a sulfur atom is 0.000 000 104 centimeter. Express the


89) ______

A) 1.04 × 106 cm

B) 1.04 × 10—7 cm

C) 1.04 × 10—6 cm

D) 1.04 × 10—8 cm

E) 1.04 × 107 cm

90) Which of the following unit factors is derived from: 1 mile = 5280 feet? 90) ______

A) 1 mile/1 foot

B) 5280 miles/1 foot

C) 1 foot/5280 miles

D) 5280 miles/5280 feet

E) 1 mile/5280 feet

91) Which of the following unit factors is derived from: 1 mile = 1760 yards? 91) ______

A) 1 yard/1760 miles

B) 1760 miles/1760 yards

C) 1760 miles/1 yard

D) 1 mile /1760 yards

E) 1 mile /1 yard

92) Which of the following unit factors is derived from: 1 rod = 16.5 feet? 92) ______

A) 16.5 rods/1 foot

B) 16.5 rods/16.5 feet

C) 1 rod/16.5 feet

D) 1 rod/1 foot

E) 1 foot/16.5 rods

93) Which of the following unit factors is derived from: 1 ounce = 28.3

grams?

93) ______

A) 1 ounce/1 gram

B) 28.3 ounces/1 gram

C) 1 gram/28.3 ounces

D) 28.3 grams/1 ounce

E) 28.3 ounces/28.3 grams

94) Which of the following unit factors is derived from: 1 gram = 15.4

grains?

94) ______

A) 1 gram/1 grain

B) 15.4 grains/1 gram

C) 1 grain/15.4 grams

D) 15.4 grams/1 grain

E) 15.4 grams/15.4 grains

95) Which of the following unit factors is derived from: 1 carat = 0.200

gram?

95) ______

A) 1 gram/0.200 carat

B) 1 carat/1 gram

Full file at https://fratstock.euC) 0.200 carat/0.200 gram

D) 0.200 carat/1 gram

E) 0.200 gram/1 carat

96) Which of the following unit factors is derived from the relationship that

one gallon is equivalent to 4 quarts?

96) ______

A) 4 quarts/1 gallon

B) 4 gallons/4 quarts

C) 1 quart/4 gallons

D) 1 gallon/1 quart

E) 4 gallons/1 quart


one quart is equivalent to 2 pints?

97) ______

A) 2 quarts/2 pints

B) 1 quart/1 pint

C) 1 pint/2 quarts

D) 2 quarts/1 pint

E) 2 pints/1 quart


one bushel is equivalent to 32 quarts?

98) ______

A) 1 quart/32 bushels

B) 1 bushel/1 quart

C) 32 bushels/32 quarts

D) 32 bushels/1 quart

E) 32 quarts/1 bushel

99) Which of the following unit factors is derived from the relationship of

minutes and hours?

99) ______

A) 60 hours/60 minutes

B) 1 hour/60 minutes

C) 1 minute/60 hours

D) 60 hours/1 minute

E) 1 hour/1 minute


hours and days?

100) _____

A) 24 days/24 hours

B) 1 day/24 hours

C) 24 days/1 hour

D) 1 hour/24 days

E) 1 day/1 hour


days and years?

101) _____

A) 1 year/1 day

B) 365 years/365 days

C) 1 day/365 years

D) 365 years/1 day

E) 1 year/365 days

Full file at https://fratstock.eu102) What is the first step in the unit analysis method of problem solving? 102) _____

A) Write down the given value related to the answer.

B) Round off the answer in the calculator display.

C) Apply a unit factor to convert a unit in the given value.

D) Write down the unit asked for in the answer.


103) What is the second step in the unit analysis method of problem solving? 103) _____

A) Apply a unit factor to convert a unit in the given value.

B) Write down the unit asked for in the answer.

C) Round off the answer in the calculator display.

D) Write down the given value related to the answer.


104) What is the third step in the unit analysis method of problem solving? 104) _____

A) Write down the unit asked for in the answer.

B) Round off the answer in the calculator display.

C) Apply a unit factor to convert a unit in the given value.

D) Write down the given value related to the answer.


105) If a marathon race is 26.2 miles, what is the distance in yards?

(Given: 1 mile = 1760 yards)

105) _____

A) 46,100 yards

B) 46,000 yards

C) 46,110 yards

D) 67.2 yards

E) 0.0149 yards

106) If a marathon race is 26.2 miles, what is the distance in feet?

(Given: 1 mile = 5280 feet)

106) _____

A) 202 feet

B) 138,336 feet

C) 138,000 feet

D) 0.00496 feet

E) 140,000 feet

107) If a marathon race is 26.2 miles, what is the distance in kilometers?

(Given: 1 mile = 1.61 kilometer)

107) _____

A) 61.5 kilometers

B) 42.2 kilometers

C) 42,200 kilometers

D) 0.0615 kilometer

E) 16.3 kilometers

108) If a 10K race is 10.0 kilometers (1.00 × 104 meters), what is the distance

in yards?

(Given: 1 meter = 1.09 yards)

108) _____

A) 9170 yards

B) 10,900 yards

C) 10,000 yards

D) 0.000 109 yard

Full file at https://fratstock.euE) 109,000 yards

109) If a ship travels 26.0 nautical miles, what is the distance in yards?

(Given: 1 nautical mile = 2235 yards)

109) _____

A) 0.0116 yards

B) 26.0 yards

C) 86.0 yards

D) 58,100 yards

E) 2235 yards

110) If a muscle tissue sample is 125 microns thick, what is the thickness in

inches?

(Given: 1 micron = 3.94 × 10—5 inch)

110) _____

A) 3.15 × 10—7 inch

B) 4.93 × 10—2 inch

C) 3.17 × 107 inches

D) 3.15 × 10—6 inch

E) 4.93 × 10—3 inch

111) If a diamond weighs 1.33 carats, what is the mass in grams?

(Given: 1 carat = 0.200 gram)

111) _____

A) 0.133 grams

B) 6.65 grams

C) 0.150 grams

D) 0.266 grams

E) 0.200 grams

112) If a ship’s cargo is 550,000 pounds, what is the weight in metric tons?

(Given: 1 metric ton = 2200 pounds)

112) _____

A) 0.036 metric tons

B) 1.2 × 109 metric tons

C) 2500 metric tons

D) 0.0036 metric tons

E) 250 metric tons

113) If the mass of Mars is 6.42 × 1023 kilograms, what is the mass in metric

tons?

(Given: 1 metric ton = 1000 kilograms)

113) _____

A) 6.42 × 1020 metric tons

B) 1.55 × 10—25 metric tons

C) 1.55 × 10—21 metric tons

D) 6.42 × 1017 metric tons

E) 6.42 × 1026 metric tons

114) If 842 pounds of Moon samples have been collected from lunar

landings, what is the mass expressed in kilograms? (Given: 1 kilogram =

2.20 pounds)

114) _____

A) 11,100 kilograms

B) 383 kilograms

C) 309 kilograms

Full file at https://fratstock.euD) 3830 kilograms

E) 1850 kilograms

115) If the Moon is 246,000 miles from Earth, what is the distance in

kilometers?

(Given: 1 mile = 1.61 kilometer )

115) _____

A) 0.000 006 54 kilometer

B) 153,000 kilometers

C) 396,000 kilometers

D) 3,960,000 kilometers

E) 15,300 kilometers

116) If Earth is 93,000,000 miles from the Sun, what is the distance in

kilometers?

(Given: 1 kilometer = 0.619 mile)

116) _____

A) 57,600,000 kilometers

B) 0.000 000 006 66 kilometer

C) 150,000,000 kilometers

D) 57,600 kilometers

E) 150,000,000,000 kilometers

117) If an auto gas tank holds 17.4 gallons, what is the volume in liters?

(Given: 1 gallon = 3.785 liters)

117) _____

A) 0.218 liters

B) 17.4 liters

C) 4.60 liters

D) 3.785 liters

E) 65.9 liters

118) If a patient is injected with 0.500 liter of IV saline, what is the volume in

quarts?

(Given: 1 quart = 0.946 liters)

118) _____

A) 0.473 quarts

B) 1.89 quarts

C) 0.946 quarts

D) 0.500 quarts

E) 0.529 quarts

119) If a patient is injected with 375 milliliters of IV glucose, what is the

volume in fluid ounces? (Given: 1 fluid ounce = 29.6 milliliters)

119) _____

A) 12.7 fluid ounces

B) 375 fluid ounces

C) 0.0789 fluid ounces

D) 29.6 fluid ounces

E) 11,100 fluid ounces

120) How many minutes does it take an athlete to run a 10K race that is 6.19

miles?

(Assume the athlete’s pace is 6.50 minutes per mile. )

120) _____

A) 40.2 minutes

B) 1.05 minutes

C) 402 minutes

Full file at https://fratstock.euD) 0.952 minute

E) 65.0 minutes

121) How many minutes does it take an athlete to run a 20K race that is 12.4

miles?

(Assume the athlete’s pace is 7.50 minutes per mile. )

121) _____

A) 0.605 minute

B) 1860 minutes

C) 150 minutes

D) 1.65 minutes

E) 93.0 minutes

122) How many minutes is required for sunlight to travel from the Sun to

Earth?

(Assume the Sun is 93,000,000 miles from Earth and that sunlight travels

at

1.86 × 105 miles per second.)

122) _____

A) 830 minutes

B) 2.0 minutes

C) 8.3 minutes

D) 500 minutes

E) 0.0020 minute

123) A sample of rose gold is: 12.0 grams gold, 5.0grams silver, and 7.0 grams

copper by mass. What is the percent of copper in the sample?

123) _____

A) 12% B) 75% C) 50% D) 58% E) 29%

124) A sample of white gold is: 18.0 grams gold, 3.0grams silver, 2.0 grams

cobalt, and 1.0 gram platinum by mass. What is the percent of platinum

in the sample?

124) _____

A) 4.2% B) 25% C) 8.3% D) 13% E) 75%

125) A sample of lime gold is: 14.0 grams gold, 7.0grams silver, and 3.0

grams copper by mass. What is the percent of copper in the sample?

125) _____

A) 13% B) 58% C) 29% D) 67% E) 3.0%

126) A sample of 18K gold contains the following by mass: 18.0 grams gold,

3.0 grams silver, and 3.0 grams copper. What is the percent of gold?

126) _____

A) 33% B) 25% C) 75% D) 18% E) 6.0%

127) A sample of 10K gold contains the following by mass: 10.0 grams gold,

4.0 grams silver, 5.0grams copper, and 5.0 grams nickel. What is the

percent of gold?

127) _____

A) 10% B) 42% C) 71% D) 14% E) 58%

128) A sample of 22K gold contains the following by mass: 22 grams gold, 1

gram silver, and 1 gram copper. What is the percent of gold?

128) _____

A) 96% B) 4.5% C) 9.1% D) 92% E) 1.0%

129) Sterling silver contains 925 parts silver and 75 parts copper by mass.

What is the percent of silver in sterling silver?

129) _____

A) 100%

Full file at https://fratstock.euB) 92.5%

C) 7.50%

D) 12.3%

E) 8.11%

130) Sterling silver contains 925 parts silver and 75 parts copper by mass.

What is the percent of copper in sterling silver?

130) _____

A) 93% B) 12% C) 100% D) 8.1% E) 7.5%

131) If a penny has a mass of 3.015 g and is 95.0% copper, what is the mass of

copper in the coin?

131) _____

A) 0.603 g

B) 0.286 g

C) 1.51 g

D) 2.86 g

E) 0.151 g

132) If a penny has a mass of 3.015 g and is 5.00% zinc, what is the mass of

zinc in the coin?

132) _____

A) 0.603 g

B) 0.286 g

C) 0.151 g

D) 1.51 g

E) 2.86 g

133) If a penny has a mass of 2.507 g and is 97.5% zinc, what is the mass of

zinc in the coin?

133) _____

A) 0.627 g

B) 2.38 g

C) 2.44 g

D) 0.0627 g

E) 0.244 g

134) If a penny has a mass of 2.507 g and is 2.5% copper, what is the mass of

copper in the coin?

134) _____

A) 6.3 g

B) 0.063 g

C) 2.4 g

D) 0.24 g

E) 0.63 g

135) If a 5¢ coin has a mass of 5.07 g and is 75.0% copper, what is the mass of

copper in the 5¢ coin?

135) _____

A) 1.27 g

B) 0.676 g

C) 1.69 g

D) 3.80 g

E) 0.203 g

136) If a 5¢ coin has a mass of 5.07 g and is 25.0% nickel, what is the mass of

nickel in the 5¢ coin?

136) _____

A) 1.69 g

Full file at https://fratstock.euB) 1.27 g

C) 3.80 g

D) 0.676 g

E) 0.203 g

137) If a 5¢ coin has a mass of 5.07 g and is 75.0% copper, what is the mass of

nickel in the 5¢ coin?

137) _____

A) 0.676 g

B) 1.27 g

C) 0.203 g

D) 1.69 g

E) 3.80 g

138) Stainless steel is composed of iron, manganese, chromium, and nickel. If

a 2.00 g sample was analyzed and found to contain 2.75% manganese,

what is the mass of manganese in the sample?

138) _____

A) 0.0138 g

B) 0.727 g

C) 1.38 g

D) 0.0550 g

E) 0.182 g

139) Cinnabar is a naturally occurring mineral containing mercury and

sulfur. A 3.33g sample of cinnabar was analyzed and found to contain

6.55% mercury. What is the mass of mercury in the sample?

139) _____

A) 0.508 g

B) 21.8 g

C) 1.97 g

D) 0.218 g

E) 0.0197 g

140) Sterling silver is composed of 92.5% silver and 7.5% copper. If a sterling

silver ring was found to contain 6.55 g of silver, what is the mass of the

ring?

140) _____

A) 0.0708 g

B) 0.491 g

C) 87.3 g

D) 7.08 g

E) 6.06 g

141) A ruby gemstone contains 52.7% aluminum, 47.1% oxygen, and small

traces of chromium. If the ruby was found to contain 0.125 g of

aluminum, what is the mass of the gemstone?

141) _____

A) 0.237 g

B) 0.0659 g

C) 0.265 g

D) 0.125 g

E) 0.625 g

142) A sapphire gemstone contains 52.7% aluminum, 47.1% oxygen, and

traces of iron and titanium. If the sapphire was found to contain 0.155 g

of oxygen, what is the mass of the gemstone?

142) _____

Full file at https://fratstock.euA) 0.155 g

B) 0.329 g

C) 0.294 g

D) 0.775 g

E) 0.0730 g

143) A standard sheet of paper measures 8.50 inches by 11.0 inches. What is

the surface area of the paper?

143) _____

A) 93 in.2

B) 93.5 in.2

C) 94.0 in.2

D) 94 in.2


144) What is the average speed in feet per second of a world-class swimmer

who swims a 400.0-m freestyle race in 3min, 49.05 s? (Given: 1 m = 3.281

ft.)

144) _____

A) 376.0 ft/s

B) 5.730 ft/s

C) 1.746 ft/s

D) 0.5323 ft/s

E) 114.6 ft/s

145) Calculate the volume of Earth assuming it is spherical and has a radius

(r) of 6370 km. The volume of a sphere equals 4 πr3/3, where π is the

constant 3.14.

145) _____

A) 6.37 × 1011 km3

B) 3.45 × 1011 km3

C) 2.58 × 1011 km3

D) 1.03 × 1012 km3

E) 1.08 × 1012 km3

146) Add 5.0 × 104 to 2.0 × 103 and express the answer in scientific notation. 146) _____

A) 5.2 × 104

B) 1.0 × 103

C) 2.5 × 104

D) 2.5 × 103

E) 5.2 × 103

147) Add 2.4 × 10—3 to 3.7 × 10—2 and express the answer in scientific

notation.

147) _____

A) 3.9 × 10—2

B) 3.9 × 10—3

C) 3.9 × 103

D) 3.9 × 102

E) 3.9 × 10—4

148) Add 2.33 × 103 to 4.16 × 102 and express the answer in scientific

notation.

148) _____

Full file at https://fratstock.euA) 4.39 × 102

B) 4.39 × 103

C) 27.5 × 102

D) 2.75 × 103

E) 2.75 × 102

149) Subtract 9.0 × 103 from 2.0 × 104 and express the answer in scientific

notation.

149) _____

A) 1.1 × 103

B) 1.1 × 105

C) 1.1 × 102

D) 1.1 × 104

E) 1.1 × 101

150) Subtract 6.7 × 10—3 from 6.6 × 10—2 and express the answer in

scientific notation.

150) _____

A) 5.9 × 102

B) 5.9 × 10—2

C) 5.9 × 10—3

D) 5.9 × 10—1

E) 5.9 × 101

151) Subtract 2.39 × 102 from 4.16 × 103 and express the answer in scientific

notation.

151) _____

A) 3.92 × 104

B) 4.40 × 102

C) 3.92 × 102

D) 3.92 × 103

E) 4.40 × 103

152) Multiply 2.2 × 104 times 5.1 × 10—6 and express the answer in scientific

notation.

152) _____

A) 1.1 × 10—1

B) 1.1 × 10—10

C) 1.1 × 10—3

D) 1.1 × 10—2

E) 1.1 × 10—24

153) Multiply 6.4 × 10—3 times 8.0 × 107 and express the answer in scientific

notation.

153) _____

A) 5.1 × 104

B) 5.1 × 103

C) 5.1 × 10—3

D) 5.1 × 10—21

E) 5.1 × 105

154) Multiply 7.99 × 10—5 times 5.66 × 10—7 and express the answer in scien tific

Full file at https://fratstock.eunotation. 154) ____

_

A) 4.52 × 1035

B) 4.52 × 10—11

C) 4.52 × 10—34

D) 4.52 × 10—13

E) 4.52 × 10—12

155) Divide 2 × 106 by 5 × 10—2 and express the answer in scientific

notation.

155) _____

A) 4 × 103

B) 4 × 107

C) 4 × 106

D) 4 × 10—2

E) 4 × 10—4

156) Divide 3.8 × 10—1 by 5.0 × 102 and express the answer in scientific

notation.

156) _____

A) 7.6 × 10—3

B) 7.6 × 10—5

C) 7.6 × 10—4

D) 7.6 × 103

E) 7.6 × 101

157) Divide 6.41 × 10—3 by 8.04 × 107 and express the answer in scientific

notation.

157) _____

A) 7.97 × 10—10

B) 7.97 × 10—12

C) 7.97 × 10—11

D) 7.97 × 103

E) 7.97 × 105

158) Round off the following measurement to three significant digits: 14,546

cm.

158) _____

A) 14,500 cm

B) 145 cm

C) 15,000 cm

D) 146 cm

E) 14,600 cm


460 L.

159) _____

A) 0.004 460 L

B) 0.044 6 L

C) 0.460 L

D) 0.004 46 L

E) 0.044 60 L

160) In performing a multistep multiplication or division calculation, when shou ld you

Full file at https://fratstock.euround off

the

answer

in the

calculato

r

display?

160) ____

_

A) after the first unit factor

B) after each step in the calculation

C) after the final calculation

D) after the second unit factor


161) How many significant digits are justified by the unit equation 1 yard = 3

feet?

161) _____

A) 1

B) 3

C) 2

D) impossible to determine

E) infinite

162) The radius of a potassium atom is 2.27 × 10—10 meter. Express the

radius of the atom in numerical form.

162) _____

A) 0.000 000 022 7 m

B) 22,700,000,000 m

C) 0.000 000 000 227 m

D) 0.000 000 000 022 7 m

E) 0.000 000 002 27 m

163) How many minutes is required for sunlight to travel from the Sun to

Mars?

(Assume the Sun is 2.28 × 108 kilometers from Mars and that sunlight

travels at

2.99 × 105 kilometers per second.)

163) _____

A) 763 minutes

B) 45,800 minutes

C) 0.0787 minutes

D) 0.00131 minutes

E) 12.7 minutes

164) Which of the following is the best estimate for the diameter of a 5¢ coin? 164) _____

A) 20 centimeters

B) 2 centimeters

C) 1 centimeter

D) 10 centimeters

E) 5 centimeters

165) Which of the following is the best estimate for the mass of a 5¢ coin? 165) _____

A) 20 grams

B) 1 gram

C) 2 grams

D) 5 grams

Full file at https://fratstock.euE) 10 grams

166) Which of the following is the best estimate for the volume

corresponding to

20 drops from an eyedropper?

166) _____

A) 10 milliliters

B) 100 milliliters

C) 20 milliliters

D) 1 milliliter

E) 50 milliliters

167) Which element was rare and valuable until 1886 when an inexpensive

way of producing the metal from its mineral ore was discovered?

167) _____

A) copper

B) nickel

C) silicon

D) aluminum


168) Who was the American chemistry student that discovered an

inexpensive method for producing aluminum metal from its ore?

168) _____

A) Charles Hall

B) Charles Goodyear

C) Thomas Edison

D) Frederick Alum


169) Who was the French chemist that discovered an inexpensive method for

producing aluminum metal from its ore?

169) _____

A) Jacques Charles

B) Frederick Alum

C) Paul Héroult

D) Antoine Lavoisier


170) Which of the following metals are referred to as coinage metals? 170) _____

A) silver

B) copper

C) gold

D) all of the above


171) Which two metals compose Earth’s core? 171) _____

A) copper and zinc

B) iron and nickel

C) tin and lead

D) cobalt and manganese


172) Which of the following metals are found free in nature? 172) _____

A) iron

B) titanium

Full file at https://fratstock.euC) aluminum

D) all of the above


173) Which metal gives 10¢ and 25¢ “sandwich” coins their reddish-brown

color?

173) _____

A) zinc

B) copper

C) silver

D) nickel

E) tin

174) Which metal makes up most of the mass of a penny minted before 1982? 174) _____

A) zinc

B) copper

C) tin

D) silver

E) nickel

175) Which metal makes up most of the mass of a penny minted after 1982? 175) _____

A) copper

B) silver

C) zinc

D) nickel

E) tin

176) Which of the following is the largest “footprint?” 176) _____

A) 150 square feet

B) 150 square inches

C) 150 feet square

D) 150 inches square

E) answers A and B are the same

177) Which of the following is the smallest “footprint?” 177) _____

A) 150 yards square

B) 150 square yards

C) 150 feet square

D) 150 square feet

E) answers A and B are the same

178) What is the proposed height of the World Trade Center Freedom

Tower?

178) _____

A) 1776 miles

B) 1776 meters

C) 1776 yards

D) 1776 feet

E) 1776 kilometers

179) Which of the following is the furthest distance? 179) _____

A) 53 yards

B) 53 miles

C) 53 feet

Full file at https://fratstock.euD) 53 meters

E) 53 kilometers

Full file at https://fratstock.eu

1) B

2) A

3) D

4) B

5) A

6) C

7) A

8) C

9) C

10) D

11) D

12) C

13) D

14) C

15) D

16) D

17) C

18) C

19) D

20) D

21) E

22) E

23) E

24) B

25) E

26) B

27) C

28) E

29) D

30) E

31) B

32) B

33) C

34) A

35) B

36) E

37) A

38) D

39) D

40) B

41) C

42) B

43) A

44) D

45) E

46) E

47) A

48) B

49) E

50) D

51) D

Full file at https://fratstock.eu52) B

53) A

54) A

55) A

56) E

57) B

58) C

59) D

60) E

61) D

62) E

63) B

64) B

65) B

66) A

67) B

68) D

69) B

70) D

71) D

72) D

73) A

74) D

75) C

76) D

77) A

78) D

79) D

80) E

81) D

82) A

83) A

84) E

85) B

86) A

87) C

88) B

89) B

90) E

91) D

92) C

93) D

94) B

95) E

96) A

97) E

98) E

99) B

100) B

101) E

102) D

103) D

Full file at https://fratstock.eu104) C

105) A

106) C

107) B

108) B

109) D

110) E

111) D

112) E

113) A

114) B

115) C

116) C

117) E

118) E

119) A

120) A

121) E

122) C

123) E

124) A

125) A

126) C

127) B

128) D

129) B

130) E

131) D

132) C

133) C

134) B

135) D

136) B

137) B

138) D

139) D

140) D

141) A

142) B

143) C

144) B

145) E

146) A

147) A

148) D

149) D

150) B

151) D

152) A

153) E

154) B

155) B

Full file at https://fratstock.eu156) C

157) C

158) A

159) D

160) C

161) E

162) C

163) E

164) B

165) D

166) D

167) D

168) A

169) C

170) D

171) B

172) E

173) B

174) B

175) C

176) C

177) D

178) D

179) B

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