five
pi it's so easy
0.16
No.
0.04
The square root of four twenty-fifths, is two fifths, because of the fact that the square root of four is two and the square root of twenty-five is five.
five
25
pi it's so easy
The square root of (five times five) is five. Since five times five is twenty five, the square root of that will be five. Also -5 is a possible answer for the square root. If the question is (square root of 5) times 5, then that's the same as square root of 125, which is approx 11.1803 and -11.1803
0.16
No.
0.04
Because the 5th number which is 5 is the square root of 25.
√125X² = 125X
sqrt(3/25) = 0.346 approx.
The sqare root of 20.