SOLUTION: Perform the indicated opeations. Simplify: -9 to the -2power
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Algebra: Expressions involving variables, substitution
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Question 140668
:
Perform the indicated opeations.
Simplify:
-9 to the -2power
Answer by
stanbon(48569)
(
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):
You can
put this solution on YOUR website!
(-9)^(-2) = 81^(-1) = 1/81
OR
-9^(-2) = -[81^-1] = -1/81
Comment: The answer depends on whether you
mean - 9^-2 or wheter you mean (-9)^-2
==============================
Cheers,
Stan H.