SOLUTION: -i4 A) -1 B) 1 C) i D) -i

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Question 178759: -i4
A) -1
B) 1
C) i
D) -i

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
-i%5E4
:
remember i%5E2=-1 so we have -(-1)(-1)=-1
:
so A is the answer