The answer depends on the degree to which it is to be rounded.
130
100
0.7364
100
It rounds to 129
129.0
120.0
159.41
There are 25.4 millimetres in one inch. Therefore, rounded to two decimal places, 129 millimetres is equal to 129/25.4 = 5.08 inches.
0
130
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.