| Places | Hundreds | Tens | Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | Hundred Thousandths | Millionths | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ||||||||||
| Number | 1 | 2 | 9 | . | 5 | 5 | 9 | 6 | 6 | 8 |
| Rounded Number | 1 | 2 | 9 | . | 6 |
- 5 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 (5)
- 1 + 5 = 6, so the digit in the tenths place becomes 6
- The digits to the right of the tenths place are dropped
- 129.559668 rounded to the nearest tenth (one decimal place) = 129.6
