Answer
$5\sqrt 2$
Work Step by Step
$\sqrt 10 \times \sqrt 5$
We can write $\sqrt 10 $ as $\sqrt (2 \times 5)$. Therefore,
$= \sqrt 2 \times \sqrt 5 \times \sqrt 5 $
$= \sqrt 2 \times 5 $
$= 5 \sqrt 2$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.3 - Page 50: 121
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