Question

What is the value of `(y^-5)/(x^-3)` for `x=2` and `y=-4`?

Answer 1

`=-1/128`

Explanation:

`y^-5/x^-3=?` for `x=2` and `y=-4`
`y^-5/x^-3`
`=x^3/y^5`
`=2^3/(-4)^5`
`=-8/1024`
`=-1/128`