Question

Question #2570f

Answer 1

`(4wsqrt(5w))/3`

Explanation:

80 does not have an exact square root, but it has factors which are perfect squares. `sqrt((16 xx 5 xx w^2 xxw)/9)=sqrt((4^2 xx 5 xx w^2 xxw)/3^2)`

Find the square root of the parts that are squares.

= `(4wsqrt(5w))/3`