Chapter 1 - Whole Numbers - 1.7 Rounding Whole Numbers - 1.7 Exercises - Page 72: 28

Ten: 7630 Hundred: 7600 Thousand: 8000

To round to the nearest ten, we look at the ones place, which is 2 so we round down to the same ten: 7630. To round to the nearest hundred we look at the tens place, which is 3 so we round down to the same hundred: 7600. To round to the nearest thousand we look at the hundreds place, which is 6 so we round up to the next biggest thousand: 8000.