Question

[10.03] Which number equals the square root of 108.?

3 the square root of 3.

6 the square root of 2.

6 the square root of 3.

3 the square root of 6.

Answer 1

\[\sqrt{108} = \sqrt{a}\sqrt{b^2} = b\sqrt{a}\]

Answer 2

I am lost

Answer 3

Hint: What are the factors of 108? More importantly, are there any factors which are square numbers?

Answer 4

6 3 is the answer