If rounding to a whole number, it would round to 4.
39 remains 39 when rounded to one significant figure.
39
39
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.
3.39 (rounded to the nearest 100th) is the cube root of 39.
The "square root" of 39 is 6.245 . (rounded)
40
0.4937
39
39.0