| Places | Tens | Ones | Tenths | |
|---|---|---|---|---|
| Number | 3 | 9 | . | 4 |
| Rounded Number | 3 | 9 |
- 9 is in the ones place and 4 is in the tenths place
- Since the digit in the tenths place (4) is less than 5, the digit in the ones place (9) does not change
- The decimal point and the digit in the tenths place are dropped
- 39.4 rounded to the nearest whole number (ones place) = 39
