What is the answer to the pic

asked May 24, 2020 132k views

2 votes

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4 votes

Answer:

Explanation:

(7^(-1))/(7^(-2))

7^(-1-(-2))

7^(-1+2)

7^(1)

I used the following rules:

(a^m)/(a^n)=a^(m-n)

a^1=a

$a \\eq 0$

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