# Power of a product rule

### Power of a product rule

We use the power of a product rule when there are more than one variables being multiplied together and raised to a power. The power of a product rule tells us that we can simplify a power of a power by multiplying the exponents and keeping the same base.

#### Lessons

$({a^mb^n} {)^p} = {a^{mp}b^{np}}$

• 1.
What are exponent rules?

• 2.
Simplify the following:
a)
$(-4xy)^4$