| Places | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | |
|---|---|---|---|---|---|---|
| Number | 5 | . | 5 | 1 | 7 | 8 |
| Rounded Number | 5 | . | 5 |
- 5 is in the tenths place and 1 is in the hundredths place
- Since the digit in the hundredths place (1) is less than 5, the digit in the tenths place (5) does not change
- The digits to the right of the tenths place are dropped
- 5.5178 rounded to the nearest tenth (one decimal place) = 5.5
