| Places | Ones | Tenths | Hundredths | Thousandths | |
|---|---|---|---|---|---|
| 1 | |||||
| Number | 4 | . | 5 | 3 | 1 |
| Rounded Number | 5 |
- 4 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 (4)
- 1 + 4 = 5, so the digit in the ones place becomes 5
- The decimal point and the digits to the right of the ones place are dropped
- 4.531 rounded to the nearest whole number (ones place) = 5
