Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.7 Radical Expressions - R.7 Exercises: 37

Answer

$\color{blue}{5k^2|m|}$

Work Step by Step

RECALL: If $n$ is an even integer, $\sqrt[n]{a^n} = |a|$ Using the rule above gives: $\sqrt{25k^4m^2} \\=\sqrt{5^2k^4m^2} \\= {|5k^2m|} \\=\color{blue}{5k^2|m|}$
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