Answer
9
Work Step by Step
Rewrite the negative exponent taking the reciprocal of the value. Then evaluate the exponent.
$\frac{1}{(\frac{1}{3})^2}=\frac{1}{\frac{1}{9}}=9$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.6 - Rational Exponents - R.6 Exercises - Page 56: 7
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