laws of exponents
TRANSCRIPT
Today’s Today’s Objective:Objective:
SWBAT SWBAT multiply multiply
and divide and divide powers.powers.
MultiplicatioMultiplication:n:
101022∙10∙1033
=?=?
3366∙3∙3
55=?=?
221010
∙2∙277=?=?
Multiplication:Multiplication:
101022∙10∙1033
= 100,000= 10= 100,000= 1055
3366∙3∙3
55= 177,147= 3= 177,147= 31111
221010
∙2∙277= 131,072= 2= 131,072= 21717
Do you see any pattern?Do you see any pattern?
Product of Powers Rule:Product of Powers Rule:
bbmm∙b∙b
nn= = bb
m+nm+n
When multipying When multipying exponents, you can add exponents, you can add
the exponents ONLY if the the exponents ONLY if the bases are the SAME!bases are the SAME!
Division:Division:
101066÷÷101033
=?=?
3377÷÷33
55=?=?
221010
÷÷2277=?=?
Division:Division:
101066÷10÷1033
= 1,000= 10= 1,000= 1033
3377÷3÷355
= 9= 3= 9= 322
221010
÷2÷277= 8= 2= 8= 233
Do you see any pattern?Do you see any pattern?
Quotient of Powers Quotient of Powers Rule:Rule:
bbmm
bbnn
When multipying exponents, you can add the When multipying exponents, you can add the exponents ONLY if the bases are the SAME!exponents ONLY if the bases are the SAME!
= bm-n
ZERO Exponent:ZERO Exponent:
For every For every nonzero #:nonzero #:
aa00=1=1
NEGATIVE Exponent:NEGATIVE Exponent:
For every For every nonzero #:nonzero #:
aa-n-n= = 1_ 1_ a ann
Simplify:Simplify:
bb00dd33bb22dd
Simplify:Simplify:
bb00dd33bb22dd
bb00bb22dd33dd
Simplify:Simplify:
bb00bb22dd33dd
Simplify:Simplify:
bb00bb22dd33dd
bb22dd44
Simplify:Simplify:
bb44dd33bb-2-2dd-3-3
Simplify:Simplify:
bb44dd33bb-2-2dd-3-3
bb44bb-2-2dd-3-3dd33
Simplify:Simplify:
bb44bb-2-2dd-3-3dd33
Simplify:Simplify:
bb44bb-2-2dd-3-3dd33
bb22dd0 0
Simplify:Simplify:bb22dd00
bb22