G8

Copyright © Swun Math Grade 8 Unit 2 Lesson 2 P TE

Answer Key

Extension Activity

Answers will vary. Sample response:

푥푥^1 ⋅푥푥^4 =푥푥^5

(푥푥^2 )^3 =푥푥^6

Homework

1. ퟕퟕퟐퟐ+ퟑퟑ=ퟕퟕퟓퟓ
   or
   7 • 7 • 7 • 7 • 7 = 7^5
   Answer: 7^5 or 16,807
   2. 32 m^2
   or
   (3m)(3m)
   3 • 3 • m • m = 9m^2
   Answer: 3^2 m^2 or 9m^2


2. (–2)3 + 3
   (–2)^6
   or
   (–2) (–2) (–2) (–2) (–2) (–2)
   (–2)^6
   Answer: (–2)^6 or 64
   4. x^ 2 • 2 y^2
   x^4 • y^2

Answer: x^4 • y^2 or x^4 y^2

5. x^ 3 • 7
   x^21
   Answer: x^21
   6. (5)(5) = 5 ² so then
   (ퟓퟓퟐퟐ)ퟑퟑ= ퟓퟓퟐퟐ^ 풙풙^ ퟑퟑ
   or
   (5)2 • 3
   (5)^6

Answer: (5)^6 or 15,625