# Chapter 10 - Radical Expressions and Equations - 10-2 Simplifying Radicals - Lesson Check - Page 623: 2

$4b^2\sqrt b$

#### Work Step by Step

Separate the radical to make it easier to simplify $\sqrt 16\times\sqrt b^4\times \sqrt b$ Simplify the perfect square roots in the radical $4\times b^2\times\sqrt b$ Answer: $4b^2\sqrt b$

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