Answer
$\frac{1}{81}$
Work Step by Step
$27^{-\frac{4}{3}}=\frac{1}{\sqrt[3] {27}^4}=\frac{1}{3^4}=\frac{1}{81}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Review Exercises - Page 143: 68
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