Intermediate Algebra (6th Edition)

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

Chapter 9 - Cumulative Review: 19a

Answer

3

Work Step by Step

$\sqrt[4] 81=3$, which we know because $3^{4}=3\times3\times3\times3=81$
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