#### Answer

Ten: 352,120; Hundred: 352,100; Thousand: 352,000

#### Work Step by Step

To round to the nearest ten:
1. See digit to the right of the tens place: 8
2. Round up by changing 1 to 2, and change digits to the right to 0.
3. We get 352,120 as the new rounded number.
To round to the nearest hundred:
1. See digit to the right of the hundreds place: 1
2. Round down by leaving hundreds place unchanged, and change digits to the right to 0.
3. We get 352,100 as the new rounded number.
To round to the nearest thousand:
1. See digit to the right of the thousands place: 1
2. Round down by leaving thousands place unchanged and change digits to the right to 0.
3. We get 352,000 as the new rounded number.