| Places | Tens | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | Hundred Thousandths | Millionths | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | |||||||||
| Number | 1 | 9 | . | 8 | 5 | 7 | 1 | 4 | 2 |
| Rounded Number | 1 | 9 | . | 9 |
- 8 is in the tenths place and 5 is in the hundredths place
- Since the digit in the hundredths place (5) is greater than or equal to 5, add 1 to the digit in the tenths place (8)
- 1 + 8 = 9, so the digit in the tenths place becomes 9
- The digits to the right of the tenths place are dropped
- 19.857142 rounded to the nearest tenth (one decimal place) = 19.9
