To find the square root of 96, we can simplify it first.
We can factor 96 into its prime factors:
\[ 96 = 16 \times 6 = 4^2 \times 6. \]
Now, we can take the square root:
\[ \sqrt{96} = \sqrt{16 \times 6} = \sqrt{16} \times \sqrt{6} = 4\sqrt{6}. \]
So, the square root of 96 is:
\[ 4\sqrt{6}. \]
Among the provided responses, the correct answer is:
**4 start root 6 end root.**