Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.7 - Complex Numbers - Concept and Vocabulary Check: 2

Answer

$4i$

Work Step by Step

Note that: $\sqrt{16} = 4$ while $\sqrt{-1} = i$ Thus, $\sqrt{16}\sqrt{-1}=4i$ Therefore, the missing expression in the given statement is $4i$.
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