3.57 rounded to the nearest whole number = 4
357
Rounded to the nearest 100 it is 400
400
360
357.00
66000
The nearest round of 357 depends on the context in which the rounding is being done. If rounding to the nearest ten, 357 would round to 360. If rounding to the nearest hundred, 357 would round to 400. If rounding to the nearest thousand, 357 would remain as 357 since it is already a multiple of 1000.
It is: 400
If there is a decimal placed somewhere within the number, such as .3568 could be rounded to .357
0.1653
360
4% of 357 = 4% * 357 = 0.04 * 357 = 14.28