Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole

Chapter 8 - Radical Functions - Chapter Review Exercises: 45

Answer

$10\sqrt 3$

Work Step by Step

$\sqrt {15}\times\sqrt {20}$ $=\sqrt {15\times20}$ $=\sqrt {300}$ $=\sqrt {3\times100}$ $=\sqrt {3}\times\sqrt {100}$ $=10\sqrt 3$

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