- Since 5 is in the tenths place, 278.59 is between 278.5 and 278.6
- 278.55 is the midpoint between 278.5 (278.50) and 278.6 (278.60)
- As illustrated on the number line, 278.59 is greater than the midpoint (278.55)
- Therefore, 278.59 rounded to the nearest tenth (one decimal place) = 278.6
%20with%20a%20number%20line.png "278.59 rounded to the nearest tenth (one decimal place) with a number line")
