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dusya [7]
3 years ago
11

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

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0
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
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