To round 12.486 to the nearest whole number consider the tenths' value of 12.486, which is 4 and less than 5. Therefore, we have to round down: the whole number ones place value of 12.486, 12, remains 12, and the decimal point and all digits (. 486) are removed.
<u><em>12.486 rounded to the nearest whole number is 12.</em></u>
Step-by-step explanation:
To round decimals to the nearest whole number, you take the number closest to the current whole number, 4, and then determine if it is equal to or higher than 5. 4 is lower than 5, so the whole number 12 stays the same and does not change.
This means that 12.486 rounded to the nearest whole number is<em> 12.</em>
