# How do you simplify #y^ { - 1} \cdot y ^ { 20} \cdot y ^ { 39}#?

##### 1 Answer

Jan 20, 2018

See a solution process below:

#### Explanation:

Use this rule of exponents to simplify the expression:

Jan 20, 2018

See a solution process below:

Use this rule of exponents to simplify the expression: