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
- 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