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k3orneyKerva k3orneyKerva
  • 25-01-2016
  • Mathematics
Answered

Which expression is equivalent to (3^2)^-2

A-81
B-12
C1/81
D1/12

Verified Answer :

Evelynxo14 Evelynxo14
  • 25-01-2016
C1/81
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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