12.4 rounded to the nearest whole number is 12.
24
If you are looking to round 23.6573 to the nearest whole number, that would be "24." Look at the tenths digit. If it is 5 or greater, you round the whole number up. If it is less than 5, the entire number would be "rounded down" to "23".
The answer depends on the extent of rounding. To the nearest ten it is 20; to the nearest hundred it is 0.
24.00
24.17 rounded to the nearest whole number is 24
23.89 rounded to the nearest whole number is 24.
12.4 rounded to the nearest whole number is 12.
24
24
24
24
23.8 to nearest tenth 24 to nearest whole number
24 is already a whole number, so rounding makes no difference. The answer is 24.
24
16, 13 and 24 are already whole numbers.
24