Question

How do you simplify `(-3xy^3)^4`?

Answer 1

`81x^4y^12`

Explanation:

We can use the following rule for exponents to expand the term within parenthesis:

`color(red)((x^a)^b = x^(a*b))`

`-3^4x^(1*4)y^(3*4)`

`81x^4y^12`