Question

What is 4 square root of 80?

Answer 1

`4sqrt(80) = 16sqrt(5)`

Explanation:

Simplify/solve it by finding factors of `80` that are perfect squares and can be moved out of the radical sign.

`4sqrt(80) = 4sqrt(16*5) = 4sqrt(16)sqrt(5)= 4*4sqrt(5)= 16sqrt(5)`