| Places | Ones | Tenths | Hundredths | Thousandths | |
|---|---|---|---|---|---|
| Number | 8 | . | 6 | 4 | 4 |
| Rounded Number | 8 | . | 6 |
- 6 is in the tenths place and 4 is in the hundredths place
- Since the digit in the hundredths place (4) is less than 5, the digit in the tenths place (6) does not change
- The digits to the right of the tenths place are dropped
- 8.644 rounded to the nearest tenth (one decimal place) = 8.6
