| Places | Ones | Tenths | Hundredths | |
|---|---|---|---|---|
| Number | 4 | . | 0 | 9 |
| Rounded Number | 4 |
- 4 is in the ones place and 0 is in the tenths place
- Since the digit in the tenths place (0) is less than 5, the digit in the ones place (4) does not change
- The decimal point and the digits to the right of the ones place are dropped
- 4.09 rounded to the nearest whole number (ones place) = 4
