SOLUTION: How do you simplify -i^15 Thanks for any help you can give me.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: How do you simplify -i^15 Thanks for any help you can give me.       Log On


   

Question 297843: How do you simplify -i^15
Thanks for any help you can give me.
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
-i^15 = -i*(i^2)^7 = -i*(-1)^7 = -i(-1) = i