Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - Mid-Chapter Review - Mixed Review: 3

Answer

$9$

Work Step by Step

Using concepts of exponents and radicals, the given expression, $ \sqrt{81} ,$ is equivalent to \begin{array}{l}\require{cancel} \sqrt{(9)^2} \\\\= 9 .\end{array}
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