| Places | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | Hundred Thousandths | Millionths | Ten Millionths | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | |||||||||
| Number | 0 | . | 5 | 0 | 5 | 9 | 8 | 0 | 2 |
| Rounded Number | 0 | . | 5 | 0 | 6 |
- 5 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 (5)
- 1 + 5 = 6, so the digit in the thousandths place becomes 6
- The digits to the right of the thousandths place are dropped
- 0.5059802 rounded to the nearest thousandth (three decimal places) = 0.506
