SOLUTION: Simplify i^-7

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson  -> Lesson -> SOLUTION: Simplify i^-7      Log On


   



Question 707130: Simplify i^-7
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
i^-7
we can make it a positive exponent by moving it to the denominator:
1/i^7
1/(i*i*i*i*i*i*i)
1/(-1*i*i*i*i*i)
1/(-1*-1*i*i*i)
1/(i*i*i)
1/(-1*i)
1/(-i)
or
-1/i