- Since 5 is in the tenths place, 12.50006369 is between 12.5 and 12.6
- 12.55 is the midpoint between 12.5 (12.50) and 12.6 (12.60)
- As illustrated on the number line, 12.50006369 is less than the midpoint (12.55)
- Therefore, 12.50006369 rounded to the nearest tenth (one decimal place) = 12.5
%20with%20a%20number%20line.png "12.50006369 rounded to the nearest tenth (one decimal place) with a number line")
