- Since 9 is in the tenths place, 198.9436789 is between 198.9 and 199.0
- 198.95 is the midpoint between 198.9 (198.90) and 199.0 (199.00)
- As illustrated on the number line, 198.9436789 is less than the midpoint (198.95)
- Therefore, 198.9436789 rounded to the nearest tenth (one decimal place) = 198.9
%20with%20a%20number%20line.png "198.9436789 rounded to the nearest tenth (one decimal place) with a number line")
