Q. What is 42.1 rounded to the nearest whole number?_____
Identify Integer and Decimal: Identify the integer and decimal parts of the number 42.1.Integer part: 42Decimal part: 0.1
Determine Decimal Part: Determine if the decimal part is less than or equal to0.5 to decide whether to round down or if it is greater than 0.5 to round up.Since 0.1 is less than 0.5, we round down.
Round to Nearest Whole Number: Round 42.1 to the nearest whole number by rounding down.The nearest whole number to 42.1 is 42.