Notes for 12-1-11 exponent rules - mult

Notes for 12­1­11 exponent rules ­ mult­div like bases.notebook
December 01, 2011
Integrated Math 1 - 12/1/11
Learning Target: Exponent Rules for Multiplying/Dividing
You have 10 minutes to finish your test.
Mental Math Worksheet
Quiz Tomorrow!!!
Nov 30­11:10 AM
Answers to Mental Math Worksheet:
1) 3/20
2) 2/21
3) ­10/27
4) 72/15 = 5) 437/45 = 6) 5/2 = 7) 21/8 = 8) 10/9 = 9) 102/55 = Nov 30­11:13 AM
1
Notes for 12­1­11 exponent rules ­ mult­div like bases.notebook
December 01, 2011
Exponent Rules
Unit 5 Notes:
Expand:
x5
x3
y4
Exponent Rule for Multiplication:
Expand and Simplify:
x3 x6
2x5
3x4
-4x2y
2xy3
What is the exponent rule for multiplication?
Simplify:
(-2x4)(5x3)
(-4x2y)(3x5y9)
.
Nov 30­11:14 AM
Exponent Rule for Division:
Expand and Simplify:
x7
x4
10x6y5
2x2y3
What is the exponent rule for division?
Simplify:
x8y12
-15x10y3
5x7y
x5y7
-4x9y5
10xy4
.
Nov 30­11:17 AM
2
Notes for 12­1­11 exponent rules ­ mult­div like bases.notebook
December 01, 2011
No variables?
The number is treated like the "x" was, it is the base, so
it is left alone and only the exponents change.
2
8
(3 )(3 )
6
5
2
5
Nov 30­11:21 AM
3