Answer
$\frac{4}{9}$
Work Step by Step
$\sqrt {16}=4$
$\sqrt {81}=9$
so
$\sqrt {\frac{16}{81}}=\frac{4}{9}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 6 - Review - Page 462: 72
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