- Since 4 is in the tenths place, 118.438 is between 118.4 and 118.5
- 118.45 is the midpoint between 118.4 (118.40) and 118.5 (118.50)
- As illustrated on the number line, 118.438 is less than the midpoint (118.45)
- Therefore, 118.438 rounded to the nearest tenth (one decimal place) = 118.4
%20with%20a%20number%20line.png)