Algebra: A Combined Approach (4th Edition)

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

Chapter 10 - Section 10.5 - Integrated Review - Radicals and Rational Exponents: 1

Answer

$9$

Work Step by Step

$\sqrt {81}=\sqrt {9^{2}}=(9^{2})^{\frac{1}{2}}=9$
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