G8

(Amit KumaranZ9-e) #1
Copyright © Swun Math Grade 8 Unit 2 Lesson 7 P TE

Final Check for Understanding


(Teacher Checks Work)


Directions: Simplify the expression. Write the solution using a positive exponent.



  1. (푎푎)−^3 ⋅(푎푎)^3


Solution:
푎푎^0 = 1





9 푦푦−^3


푦푦^5


Solution:
9 ⋅푦푦−3−5
9 ⋅푦푦−8= 9푦푦−8 make the exponent positive so write the reciprocal of 푦푦−8 which is 푦푦^18

9 푦푦−8=

9


푦푦^8

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