Question

Simplify the radical. 4 square root of 20

Answer 1

would it be 400..

Answer 2

\(4\sqrt{20}=4\sqrt{4*5}=4\sqrt{4}\sqrt{5}\)

Answer 3

It cant be, these are the option,
5 to the square root of 16
5 to the square root of 8
8 to the square root of 5
16 to the square root of 5

Answer 4

for \[4\sqrt{20}\] i got 17.88

Answer 5

But that is not one of the options. @emily_wilson

Answer 6

I see that

Answer 7

Then what would it be?