Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Review - Page 749: 134



Work Step by Step

$(3i)^{4}=3^{4}\times i^{4}=81\times (i^{2})^{2}=81\times (-1)^{2}=81$
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