Answer:
A, B and D
Explanation:
√5 x √5 x √4 is basically 5 x 5 x 4 = 100, but the 100 still has the root sign
The sqrt of 100 is 10, since 10 x 10 = 100
Like said on the first line, it makes √100 and this is valid since the question does not say to simplify it