- Since 3 is in the tenths place, 15.3941 is between 15.3 and 15.4
- 15.35 is the midpoint between 15.3 (15.30) and 15.4 (15.40)
- As illustrated on the number line, 15.3941 is greater than the midpoint (15.35)
- Therefore, 15.3941 rounded to the nearest tenth (one decimal place) = 15.4
%20with%20a%20number%20line.png "15.3941 rounded to the nearest tenth (one decimal place) with a number line")
