If rounding to a whole number, it would round to 4.
2.3
4
Rounded to nearest 10: 40 Rounded to a whole number: 39 Rounded to one decimal: 39,1 Rounded to two decimals:39,09
39
It is 39.It is 39.It is 39.It is 39.
39
39
39
It is 39.
The "square root" of 39 is 6.245 . (rounded)
3.39 (rounded to the nearest 100th) is the cube root of 39.
40
Rounded to three decimal places, sqrt(39) = ±6.250
0.0915