- Since 1 is in the tenths place, 380.13271 is between 380.1 and 380.2
- 380.15 is the midpoint between 380.1 (380.10) and 380.2 (380.20)
- As illustrated on the number line, 380.13271 is less than the midpoint (380.15)
- Therefore, 380.13271 rounded to the nearest tenth (one decimal place) = 380.1
%20with%20a%20number%20line.png)