simplifying square roots

Question

1) find volume of this prism?
v=bwh

b=√12"
w=√6"
h=√8"

2)simplify: √576

3)simplify: √400

4)simplify: √256

5)simplify: √(1/4)

Answer 1

2.) 24
3.) 20
4.) 16
5.) 0.5

hope I was a help! :) going through the same class right now, so I hear ya'

Answer 2

1.) 24 :)

Answer 3

no it's not like that

for ex 2√5 + 6√5= 8√5

the answer has to be in √