Answer
$$8.55 j.$$
Work Step by Step
We know that $j=\sqrt{-1}$ and simplify as follows:
$$\sqrt{-73}=\sqrt{(-1)(73)}=\sqrt{-1} \sqrt{73}=8.55 j.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 11 - Review - Page 380: 20
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