Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.3 - Fractional Exponents - Problem Set 11.3 - Page 490: 82


The answer is below.

Work Step by Step

In order to do this problem, first raise four to the 7th power. Then, take square root of that number. Finally, multiply by negative one. (Since the negative one is not in parentheses, it is assumed that it is not raised to the exponent.
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