G8

Copyright © Swun Math Grade 8 Unit 2 Lesson 3 C TE

Answer Key

Homework

1. 37 −^4
   33 = 27
   2. x^6 –^2
   x^4

3.

(− 5 )^2 +^2

−5^

(− 5 )^4

− 51

(− 5 )^4

− 51 =

(− 5 )4−1

(− 5 )^3 =− 125

4.

x^10

x^2 ⋅

y^8

y^3 = x

10−2⋅y8−3

x^8 y^5

5.

( 4. 2 )^6

( 4. 2 )^5 ⋅

푝푝^4

푝푝^4

(4.2)6−5⋅푝푝4−4

(4.2)^1 푝푝^0 = 4.2

6. 푎푎

(^9) 푏푏 8
푎푎푏푏^
푎푎^9 푏푏^8
푎푎′푏푏^1

푎푎9−1푏푏8−1=푎푎^8 푏푏^7

Remember anything to the power

of 0 is equivalent to 1.