SOLUTION: How do you solve -i to the 15th power?

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Question 297815: How do you solve -i to the 15th power?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do you solve -i to the 15th power?
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There's nothing to be solved. You can calculate i%5E15
i is the sqrt(-1)
i%5E2+=+-1
i%5E3+=+-i
i%5E4+=+1
i%5E5+=+i
i%5E6+=+-1
i%5E7+=+-i
i%5E8+=+1
i%5E9+=+i
It repeats every 4th power.
15 = 3*4 + 3 --> i^15 = i^3
= -i