#### Answer

$-1$

#### Work Step by Step

$i^-6 = (i^6)^-1 = (i^4 * i^2)^-1 = (1 * -1) ^ -1 = -1$

Published by
Pearson

ISBN 10:
0321726391

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

$-1$

$i^-6 = (i^6)^-1 = (i^4 * i^2)^-1 = (1 * -1) ^ -1 = -1$

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