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The question is in the picture please give me all the answers

The question is in the picture please give me all the answers-example-1
User TuanDT
by
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1 Answer

6 votes
Answer:
a) 1/4
b) 1/8
c) 1/81
Explanation:
I used the negative exponent rule:
b^-n = 1/b^n
User Lalit Goswami
by
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