- Since 4 is in the tenths place, 139.48 is between 139.4 and 139.5
- 139.45 is the midpoint between 139.4 (139.40) and 139.5 (139.50)
- As illustrated on the number line, 139.48 is greater than the midpoint (139.45)
- Therefore, 139.48 rounded to the nearest tenth (one decimal place) = 139.5
%20with%20a%20number%20line.png "139.48 rounded to the nearest tenth (one decimal place) with a number line")
