Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.2 - Rational Exponents - Exercise Set: 31

Answer

$\dfrac{1}{16}$

Work Step by Step

$(-64)^{-(2/3)}=\dfrac{1}{(-64)^{2/3}}=\dfrac{1}{\sqrt[3] {(-64)^{2}}}=\dfrac{1}{\sqrt[3] {4096}}=\dfrac{1}{16}$
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