Understand whole number definition: Step 1: Understand the definition of a whole number.Whole numbers are non-negative integers0,1,2,3,….8.633 has a decimal part, which means it's not a whole number.
Compare to criteria: Step 2: Compare 8.633 to whole number criteria.Since 8.633 is not an integer (it has digits after the decimal point), it cannot be a whole number.