8
115 already is rounded to the nearest whole number...Rounded to the nearest 10, it is 120.Rounded to the nearest 100, it is 100.
Rounded to nearest whole number it is 3.
76
3
It is 63 rounded to the nearest whole number
5
319
It is 3 when rounded to the nearest whole number
12
It is 16 when rounded to the nearest whole number
It is 1 rounded to the nearest whole number