- Since 1 is in the tenths place, 138.16 is between 138.1 and 138.2
- 138.15 is the midpoint between 138.1 (138.10) and 138.2 (138.20)
- As illustrated on the number line, 138.16 is greater than the midpoint (138.15)
- Therefore, 138.16 rounded to the nearest tenth (one decimal place) = 138.2
%20with%20a%20number%20line.png "138.16 rounded to the nearest tenth (one decimal place) with a number line")
