(1)) What is 57.3 rounded to the nearest whole number?

57.3 rounded to the nearest whole number is 57! When rounding, if the decimal part is less than 0.5, you round down to the lower whole number. Since 0.3 is less than 0.5, that’s why we stick with 57.

Rounding numbers can be a fun exercise, especially when you’re trying to estimate sums quickly. So, next time you’re at a diner calculating the tip, remember rounding helps you make quick calculations without reaching for a calculator!