- Since 4 is in the tenths place, 40.45 is between 40.4 and 40.5
- As illustrated on the number line, 40.45 is the midpoint between 40.4 (40.40) and 40.5 (40.50)
- Therefore, 40.45 rounded to the nearest tenth (one decimal place) = 40.5
 with a number line.png)
 with a number line.png)
The solution above and other related solutions were provided by the Round to the Nearest Tenth (one decimal place) with a Number Line Application.
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