Question 707130
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