- Since 7 is in the tenths place, 455.78 is between 455.7 and 455.8
- 455.75 is the midpoint between 455.7 (455.70) and 455.8 (455.80)
- As illustrated on the number line, 455.78 is greater than the midpoint (455.75)
- Therefore, 455.78 rounded to the nearest tenth (one decimal place) = 455.8
%20with%20a%20number%20line.png "455.78 rounded to the nearest tenth (one decimal place) with a number line")
