#### Answer

$35 + 20i$

#### Work Step by Step

$5i(4 - 7i) = 20i - 35i^2 = 20i - 35(-1) = 35 + 20i$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$35 + 20i$

$5i(4 - 7i) = 20i - 35i^2 = 20i - 35(-1) = 35 + 20i$

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