Question

How do you simplify `20^(1/2) *20^(1/2)`?

Answer 1

Have a look:

Explanation:

You can use the fact that:
`x^a*x^a=x^(a+a)`
so you get:
`20^(1/2)*20^(1/2)=20^(1/2+1/2)=20^1=20`