Which expression is equivalent to (3^2)^-2 a. -81 b. -12 c. 1/81 d. 1/12

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asked Jun 1, 2017 137k views

1 Answer

Mirezus · Answer 1 · 2017-06-07T09:39:47+0000

c. 1/81
First simplify what's in the parenthesis
(3^2)= 9
Now your answer is:
9^-2
but there is no such thing as a negative exponent so write the expression as a fraction
1/9^2
and simply simplify so your answer is
1/81

Which expression is equivalent to (3^2)^-2 a. -81 b. -12 c. 1/81 d. 1/12

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