- Since 6 is in the tenths place, 216.66 is between 216.6 and 216.7
- 216.65 is the midpoint between 216.6 (216.60) and 216.7 (216.70)
- As illustrated on the number line, 216.66 is greater than the midpoint (216.65)
- Therefore, 216.66 rounded to the nearest tenth (one decimal place) = 216.7
%20with%20a%20number%20line.png "216.66 rounded to the nearest tenth (one decimal place) with a number line")
