| Places | Ones | Tenths | Hundredths | Thousandths | |
|---|---|---|---|---|---|
| 1 | |||||
| Number | 2 | . | 5 | 8 | 9 |
| Rounded Number | 3 |
- 2 is in the ones place and 5 is in the tenths place
- Since the digit in the tenths place (5) is greater than or equal to 5, add 1 to the digit in the ones place (2)
- 1 + 2 = 3, so the digit in the ones place becomes 3
- The decimal point and the digits to the right of the ones place are dropped
- 2.589 rounded to the nearest whole number (ones place) = 3
