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 489: 22



Work Step by Step

Remember, raising a number to the ¼ power is the same as taking the fourth root of that number. Also, recall, when a number is raised to the fourth power, the fourth root cancels out the exponent. Thus, we obtain: $ \sqrt[4] {16}= \sqrt[4] {2^{4}}=2$
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