Question

@Nnesha
I'm going to try and do it first.

Answer 1

http://prntscr.com/de9n4p

Answer 2

Square root of 20 is 5 and 4
so 4 is 2 x 2
so it is \[2\times2\times \sqrt{5}\]

Answer 3

what's the question ??

Answer 4

square root of 20 isn't 5 times 4
5 and 4 are factors of 20
\[\sqrt{20} \rightarrow \sqrt{5 \cdot 4}\]

Answer 5

Ohhh riiight!
Hold up

Answer 6

thanks