#### Answer

$ 1 $

#### Work Step by Step

$i^{40} = (i^4)^{10} = 1^{10} = 1 $

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$ 1 $

$i^{40} = (i^4)^{10} = 1^{10} = 1 $

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