Question

Choose the correct simplification of the expression 4/y^-3

1. 4y^3
2. 4/y^3
3. y^3/4
4.This expression is already simplified.

Answer 1

It would be 1.

Answer 2

\[x^{-n} = 1/x^n\]

Answer 3

so you get: \[\frac{1}{\frac{1}{y^3}} = y^3\]

Answer 4

so:
\[4y^3\]