Answer
$\sqrt{10}$
Work Step by Step
RECALL:
For any nonnegative real numbers $a$ and $b$,
$\sqrt{a} \cdot \sqrt{b} =\sqrt{ab}.$
Use the rule above to have
$\sqrt{2(5)}
\\=\sqrt{10}.$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 6 - Radical Functions and Rational Exponents - 6-2 Multiplying and Dividing Radical Expressions - Lesson Check - Page 370: 1
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