Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 8 - Radical Functions - 8.3 Multiplying and Dividing Radicals - 8.3 Exercises: 8

Answer

$7\sqrt {3rt}$

Work Step by Step

Step 1: $\sqrt {7r}\times\sqrt {21t}$ Step 2: $\sqrt {7r\times21t}$ Step 3: $\sqrt {147rt}$ Step 4: $\sqrt {147}\times\sqrt {rt}$ Step 5: $\sqrt {49\times3}\times\sqrt {rt}$ Step 6: $7\sqrt 3\times\sqrt {rt}$ Step 7: $7\sqrt {3rt}$
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