# How do you simplify #zr \cdot 2z ^ { - 4} r ^ { - 3}#?

##### 3 Answers

Jul 23, 2018

#### Explanation:

Add exponents when multiplying:

Jul 23, 2018

#### Explanation:

Simplify:

Take out the constant

Apply product rule:

Simplify.

Apply negative exponent rule:

Jul 23, 2018

#### Explanation:

We can rewrite this with the constant out front as

When we multiply exponents, we add the powers. We now have

We can make the negative exponents positive by bringing them to the denominator. We get

Hope this helps!