G8

(Amit KumaranZ9-e) #1
Copyright © Swun MathCopyright © Swun Math Grade 8 Unit 2 Lesson 4 P TE

Answer Key


Extension Activity
Answers will vary. Sample responses:

푎푎^8 ⋅푎푎^4 ⋅푏푏^6
푎푎^7 ⋅푏푏^1 ⋅푏푏^2

=푎푎^5 ⋅푏푏^3


푎푎^6 ⋅푎푎^5 ⋅푏푏^7


푎푎^8 ⋅푏푏^1 ⋅푏푏^2


=푎푎^3 ⋅푏푏^4


Homework



  1. 8


9
87 = 8

9−7


82 = 64


2. ퟕퟕ


ퟓퟓ⋅ퟕퟕퟑퟑ
ퟕퟕퟐퟐ =

ퟕퟕퟖퟖ
ퟕퟕퟐퟐ^

7 8−2= 7^6

76 =117, 649

3. 풄풄


ퟐퟐퟐퟐ
풄풄′ퟏퟏퟏퟏ⋅풄풄ퟓퟓ

= 풄풄


ퟐퟐퟐퟐ
풄풄ퟏퟏퟏퟏ+ퟓퟓ^

푐푐^22
푐푐^15

=푐푐22 −15


푐푐^7


4. 풒풒


ퟓퟓ
ퟔퟔퟑퟑ⋅풒풒ퟐퟐ=

ퟏퟏ
ퟔퟔퟑퟑ⋅

풒풒ퟓퟓ
풒풒ퟐퟐ^

1
63


푞푞5−2


1


1


63



푞푞^3


1


푞푞^3


63


= �


푞푞


6



3
표표표표

푞푞^3


216


5. 4


(^10) 푝푝 3
410 푝푝=
410 푝푝^3
410 푃푃^1
4 10 −10푝푝3−1
40 푝푝^2 =푝푝^2


6. 푎푎


(^2) 푏푏 (^3) 푐푐 9
푏푏^2 푐푐^5 =^ 푎푎
(^2) ⋅푏푏3−2⋅푐푐9−5


푎푎^2 ⋅푏푏^1 ⋅푐푐^4 표표표표 푎푎^2 푏푏푐푐^4

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