| Places | Ones | Tenths | Hundredths | Thousandths | |
|---|---|---|---|---|---|
| 1 | |||||
| Number | 0 | . | 1 | 7 | 2 |
| Rounded Number | 0 | . | 2 |
- 1 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 (1)
- 1 + 1 = 2, so the digit in the tenths place becomes 2
- The digits to the right of the tenths place are dropped
- 0.172 rounded to the nearest tenth (one decimal place) = 0.2
