- Since 1 is in the tenths place, 300.172998 is between 300.1 and 300.2
- 300.15 is the midpoint between 300.1 (300.10) and 300.2 (300.20)
- As illustrated on the number line, 300.172998 is greater than the midpoint (300.15)
- Therefore, 300.172998 rounded to the nearest tenth (one decimal place) = 300.2
%20with%20a%20number%20line.png)