Rounding off 8 to the nearest tens is ______.

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answer is C.

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Detailed Solution

The given number is 8.

To round off a number to the nearest tens,

If the ones digit is less than 5 then the ones digit becomes zero and the tens digit remains the same.
If the ones digit is more than or equal to 5 then the ones digit becomes zero and the tens digit increase by 1.

In 8, it can be rewritten as 08, so the digit at ones place is 8 which is more than 5.

Therefore, we replace the ones digit with 0 and increase the tens digit by 1 to get the rounded-off number.

Hence, rounded off number = 10.

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