Answer
$6.5-9.2i$
Work Step by Step
Step 1: $(4.7-3.5i)+(1.8-5.7i)$
Step 2: $(4.7+1.8)+(-3.5i-5.7i)$
Step 3: $(6.5)+(-9.2i)$
Step 4: $6.5-9.2i$
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 - 8.5 Complex Numbers - 8.5 Exercises - Page 663: 39
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