| Places | Hundred Thousands | Ten Thousands | Thousands | Hundreds | Tens | Ones |
|---|---|---|---|---|---|---|
| Number | 2 | 7 | 8 | 4 | 3 | 4 |
| Rounded Number | 2 | 7 | 8 | 4 | 3 | 0 |
- 3 is in the tens place and 4 is in the ones place
- Since the digit in the ones place (4) is less than 5, the digit in the tens place (3) does not change
- 0 replaces the (4) in the ones place
- 278,434 rounded to the nearest ten = 278,430
