Question

How do you multiply `sqrt2*sqrt2`?

Answer 1

`2`

Explanation:

Given: `sqrt2*sqrt2`

`=(sqrt2)^2`

`=2`

Answer 2

`sqrt(2) * sqrt( 2 ) = 2`

Explanation:

`sqrt(2) * sqrt( 2 ) = 2`

Square rooting a number is taking that number and seeing what two exact numbers multiply to it. When you multiply a root by itself it cancels out both roots.

Another example

`sqrt(1029) * sqrt(1029) = 1029`