The answer depends on the available choices. And since you have not bothered to share that crucial bit of information, I cannot provide a more useful answer.
This question is equivalent to the square root of 6 which is 2.449489742783178.
3.8729x5.916=22.912
5 times the square root of 35 which is about 29.58039892
The square root of 8 is 2 multiplied by the square root of 2
15.556 to three decimal places
If you mean, the square root of 4 multiplied by the square root of 5, that is 2x5=10 If you mean, the square root of ( 4x25), that is the square root of 100 which is 10
This question is equivalent to the square root of 6 which is 2.449489742783178.
20.7846097
20.1246118
11.82
15.46482452
40
3.8729x5.916=22.912
14 (sqrt6)
5 times the square root of 35 which is about 29.58039892
The square root of 8 is 2 multiplied by the square root of 2
15.556 to three decimal places