Answer
$ \frac{9}{4}$
Work Step by Step
$(\frac{8}{27})^{-2/3}=(\frac{27}{8})^{2/3}=(\frac{3^3}{2^3})^{2/3}=(\frac{3}{2})^{2}=\frac{9}{4}$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.7 nth Roots; Rational Exponents - A.7 Assess Your Understanding - Page A61: 66
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