when 5√20 is written in simplest radical form, the result is 4√5. What is the value of k?
You are going to have to define k if you expect us to help you.
5√20 = 10 √5,
no matter what "k" is.
5√20 is NOT equal to 4√5
5√20 = 10 √5,
no matter what "k" is.
5√20 is NOT equal to 4√5