# Chapter 6 - Radical Functions and Rational Exponents - 6-2 Multiplying and Dividing Radical Expressions - Lesson Check - Page 370: 1

$\sqrt{10}$

#### 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 $\sqrt{2(5)} \\=\sqrt{10}.$

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