Leave the digit the same if the next digit is less than 5 (this is called rounding down) but increase it by 1 if the next digit is 5 or more (this is called rounding up). The rounded value must be a ...

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When it’s not necessary to give an exact value, numbers can be rounded. Rounding means making a number simpler but keeping its value close to what it is. When rounding numbers the result is less ...