- Since 5 is in the tenths place, 2.551 is between 2.5 and 2.6
- 2.55 is the midpoint between 2.5 (2.50) and 2.6 (2.60)
- As illustrated on the number line, 2.551 is greater than the midpoint (2.55)
- Therefore, 2.551 rounded to the nearest tenth (one decimal place) = 2.6
%20with%20a%20number%20line.png "2.551 rounded to the nearest tenth (one decimal place) with a number line")
