- Since 0 is in the tenths place, 12.099 is between 12.0 and 12.1
- 12.05 is the midpoint between 12.0 (12.00) and 12.1 (12.10)
- As illustrated on the number line, 12.099 is greater than the midpoint (12.05)
- Therefore, 12.099 rounded to the nearest tenth (one decimal place) = 12.1
%20with%20a%20number%20line.png "12.099 rounded to the nearest tenth (one decimal place) with a number line")
