| Places | Tens | Ones | Tenths | Hundredths | |
|---|---|---|---|---|---|
| Number | 1 | 8 | . | 3 | 9 |
| Rounded Number | 1 | 8 |
- 8 is in the ones place and 3 is in the tenths place
- Since the digit in the tenths place (3) is less than 5, the digit in the ones place (8) does not change
- The decimal point and the digits to the right of the ones place are dropped
- 18.39 rounded to the nearest whole number (ones place) = 18
