Question

Which expression is equivalent to 5y^3/(5y)^-2

Answer 1

y^5

Explanation:

The trick here is knowing that a negative power becomes positive when switching it's place from the denominator to the numerator.

`(5y^3)/(5y^-2) = (y^3)/(y^-2) = (y^3*y^2)/(1) = y^5`

so the answer is y^5