| Places | Thousands | Hundreds | Tens | Ones | Tenths | Hundredths | |
|---|---|---|---|---|---|---|---|
| 1 | |||||||
| Number | 8 | 6 | 3 | 9 | . | 4 | 1 |
| Rounded Number | 8 | 6 | 4 | 0 |
- 3 is in the tens place and 9 is in the ones place
- Since the digit in the ones place (9) is greater than or equal to 5, add 1 to the digit in the tens place (3)
- 1 + 3 = 4, so the digit in the tens place becomes 4
- 0 replaces the (9) in the ones place
- The decimal point and the digits to its right are dropped
- 8,639.41 rounded to the nearest ten = 8,640
