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 524: 151


does not make sense

Work Step by Step

The statement does not make sense because $5 \cdot 5^{1/2}=5^{1+1/2}=5^{\frac{3}{2}}$ This can be written as: $5^{\frac{3}{2}}=\sqrt {5^3}=125^{\frac{1}{2}}$
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