Answer
$46.23-5.99i$
Work Step by Step
$(2.3+4.1i)(3.7-9.2i)$
=$2.3(3.7-9.2i)+4.1i(3.7-9.2i)$
=$8.51-21.16i+15.17i-37.72i^{2}$
=$8.51-21.16i+15.17i-37.72(-1)$
=$8.51-5.99i+37.72$
=$46.23-5.99i$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 8 - Radical Functions - Chapter Review Exercises - Page 671: 86
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