42
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To round 42.49 to a whole number, we look at the digit in the tenths place, which is 4. Since 4 is less than 5, we simply drop the decimal part and keep the whole number as it is. Therefore, rounding 42.49 to a whole number gives us 42.
Oh, isn't that a happy little question! Let's give that number a gentle round up to 43. Just a little adjustment to make it feel whole and complete. There you go, all nice and rounded.
You can not round a whole number to a decimal number.
0.3 does not round to a whole number.
It would round to 16 as a whole number.
76.3 is round to 76.0
next highest whole number 13