- Since 8 is in the tenths place, 78.8999 is between 78.8 and 78.9
- 78.85 is the midpoint between 78.8 (78.80) and 78.9 (78.90)
- As illustrated on the number line, 78.8999 is greater than the midpoint (78.85)
- Therefore, 78.8999 rounded to the nearest tenth (one decimal place) = 78.9
%20with%20a%20number%20line.png "78.8999 rounded to the nearest tenth (one decimal place) with a number line")
