# Chapter R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises - Page 84: 103

$\color{blue}{10\sqrt{2}}$

#### Work Step by Step

Factor the radicand so that one factor is a perfect square to obtain: $=\sqrt{100(2)} \\=\sqrt{10^2(2)}$ Bring out the square root of the perfect square factor to obtain: $=\color{blue}{10\sqrt{2}}$

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