| Places | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | |
|---|---|---|---|---|---|---|
| 1 | ||||||
| Number | 0 | . | 0 | 9 | 8 | 8 |
| Rounded Number | 0 | . | 0 | 9 | 9 |
- 8 is in the thousandths place and 8 is in the ten thousandths place
- Since the digit in the ten thousandths place (8) is greater than or equal to 5, add 1 to the digit in the thousandths place (8)
- 1 + 8 = 9, so the digit in the thousandths place becomes 9
- The digit in the ten thousandths place is dropped
- 0.0988 rounded to the nearest thousandth (three decimal places) = 0.099
