- Since 4 is in the tenths place, 109.41 is between 109.4 and 109.5
- 109.45 is the midpoint between 109.4 (109.40) and 109.5 (109.50)
- As illustrated on the number line, 109.41 is less than the midpoint (109.45)
- Therefore, 109.41 rounded to the nearest tenth (one decimal place) = 109.4
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