# What does rounding off mean in a number system?

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

## Answer: In the number system, rounding off means the process of making a number simpler such that its value remains close to what it was.

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 the nearest hundred as per our convenience.

### Thus, Rounding off means modifying the numbers to make them simpler for calculation.

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