| Places | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | |
|---|---|---|---|---|---|---|
| 1 | 1 | |||||
| Number | 0 | . | 4 | 8 | 9 | 7 |
| Rounded Number | 0 | . | 4 | 9 | 0 |
- 9 is in the thousandths place and 7 is in the ten thousandths place
- Since the digit in the ten thousandths place (7) is greater than or equal to 5, add 1 to the digit in the thousandths place (9)
- 1 + 9 = 10, so the digit in the thousandths place becomes 0, and 1 is added to the digit in the hundredths place (8)
- 1 + 8 = 9, so the digit in the hundredths place becomes 9
- The digit in the ten thousandths place is dropped
- 0.4897 rounded to the nearest thousandth (three decimal places) = 0.490
