# How do you find the product #(5r^3)(4r^4)#?

##### 2 Answers

Jul 30, 2018

#### Answer:

#### Explanation:

#"using the "color(blue)"law of exponents"#

#•color(white)(x)a^mxxa^n=a^((m+n))#

#5r^3xx4r^4#

#=(5xx4)xxr^((3+4))=20r^7#

Jul 30, 2018

#### Answer:

#### Explanation:

We can rewrite this as

This simplifies to

When we have the same base (

Hope this helps!