# What does rounding off mean in a number system?

Rounding Numbers is used to ease the calculation by adjusting the digits.

## Answer: In the number system, rounding off means to modify the number to make it simpler but close to the real value.

To round off a number, there are a certain set of rules that need to be followed.

## Explanation:

There are several instances in real life where we need to make assumptions on numbers. For example, making rough price estimates, percentage calculations, etc.

For example, We have a number 439, but for rough estimates, we may round it off as 440 to nearest ten and 400 to nearest hundred as per our convenience.