1. The problem asks for the smallest whole number that rounds to 60 when rounded to the nearest 10. 2. When rounding to the nearest 10, numbers from 55 to 64 round to 60 because: - Numbers 55 through 59 round up to 60. - Numbers 60 through 64 round down to 60. 3. Therefore, the smallest whole number that rounds to 60 is 55. Final answer: **55**