Question

How do you simplify `(-2a^-2 b^4)(3a^2 b^-5)`?

Answer 1

`-6b^-1`

Explanation:

`(-2a^-2b^4)(3a^2b^-5) = -2*3(a^-2b^4)(a^2b^-5)`
`= -6(a^-2a^2)(b^4b^-5)`
`= -6(a^(-2+2))(b^(4-5))`
`= -6a^0b^-1`
`= -6b^-1`