Question

How do you multiply radical 4 times radical 4?

Answer 1

`sqrt4 times sqrt4=sqrt(4*4)=sqrt(4^2)=4`

Explanation:

Radical just means square root:

Use the rules for radicals:

`sqrta times sqrta = sqrt(a*a) = sqrt(a^2)= a`

`sqrt4 times sqrt4=sqrt(4*4)=sqrt(4^2)=4`