Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set - Page 525: 165

Answer

(a.) $x^{7}$. (b.) $y^{4}$.

Work Step by Step

(a.) $=\sqrt[3] {x^{21}}$ Rewrite as an exponential expression. $=x^{\frac{21}{3}}$ Simplify the exponent. $=x^{7}$. (b.) $\sqrt[6] {y^{24}}$ Rewrite as an exponential expression. $=y^{\frac{24}{6}}$ Simplify the exponent. $=y^{4}$.
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