- Since 1 is in the tenths place, 8.164 is between 8.1 and 8.2
- 8.15 is the midpoint between 8.1 (8.10) and 8.2 (8.20)
- As illustrated on the number line, 8.164 is greater than the midpoint (8.15)
- Therefore, 8.164 rounded to the nearest tenth (one decimal place) = 8.2
%20with%20a%20number%20line.png "8.164 rounded to the nearest tenth (one decimal place) with a number line")
