Answer
$5i$
Work Step by Step
Multiply the numerator and denominator by the conjugate of the complex imaginary number.
$\frac{-5i}{i}\times\frac{i}{i}$
Expand.
$\frac{-5i}{i^2}$
Remember that $i^2=-1$.
$\frac{-5i}{-1}$
Simplify.
$5i$