128.57 rounded to the nearest whole number would be 129.. This is because the 7 in .57 rounds the 5 up to 6 making 128.6, which in turn rounds up to 129.
128.81 to the nearest whole number is 129 84 + 4 + 41= 129
129.0
129
129
100
130
The answer depends on the degree to which it is to be rounded.
100
It rounds to 129
130
120.0