Answer: To round off the number 297 to the nearest whole number, you look at the digit in the hundred's place, which is 9. Since 9 is 5 or greater, you round up. Therefore, rounding 297 to the nearest whole number results in 300.Step-by-step explanation:1. Identify the Digit: Look at the digit in the units place, which is 7.2. Look at the Next Digit: Check the digit to the right of 7, which is 9.3. Determine Rounding: - If the next digit (9) is 5 or greater, you round up. - If the next digit is less than 5, you keep the digit as it is.4. Rounding: - As 9 is 5 or greater, the number 297 rounds up to 300.