- Since 3 is in the tenths place, 17.318 is between 17.3 and 17.4
- 17.35 is the midpoint between 17.3 (17.30) and 17.4 (17.40)
- As illustrated on the number line, 17.318 is less than the midpoint (17.35)
- Therefore, 17.318 rounded to the nearest tenth (one decimal place) = 17.3
%20with%20a%20number%20line.png "17.318 rounded to the nearest tenth (one decimal place) with a number line")
