- Since 8 is in the tenths place, 456.89 is between 456.8 and 456.9
- 456.85 is the midpoint between 456.8 (456.80) and 456.9 (456.90)
- As illustrated on the number line, 456.89 is greater than the midpoint (456.85)
- Therefore, 456.89 rounded to the nearest tenth (one decimal place) = 456.9
%20with%20a%20number%20line.png "456.89 rounded to the nearest tenth (one decimal place) with a number line")
