Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Sections 7.1-7.5 - Integrated Review - Radicals and Rational Exponents: 1

Answer

9

Work Step by Step

$\sqrt 81=9$ We know this because $9^{2}=9\times9=81$
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