| Places | Tens | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | |
|---|---|---|---|---|---|---|---|
| 1 | |||||||
| Number | 1 | 7 | . | 7 | 7 | 7 | 8 |
| Rounded Number | 1 | 7 | . | 8 |
- 7 is in the tenths place and 7 is in the hundredths place
- Since the digit in the hundredths place (7) is greater than or equal to 5, add 1 to the digit in the tenths place (7)
- 1 + 7 = 8, so the digit in the tenths place becomes 8
- The digits to the right of the tenths place are dropped
- 17.7778 rounded to the nearest tenth (one decimal place) = 17.8
