| Places | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | Hundred Thousandths | Millionths | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | |||||||
| Number | 0 | . | 1 | 1 | 9 | 9 | 9 | 2 |
| Rounded Number | 0 | . | 1 | 2 | 0 |
- 9 is in the thousandths place and 9 is in the ten thousandths place
- Since the digit in the ten thousandths place (9) 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 (1)
- 1 + 1 = 2, so the digit in the hundredths place becomes 2
- The digits to the right of the thousandths place are dropped
- 0.119992 rounded to the nearest thousandth (three decimal places) = 0.120
