- Since 7 is in the tenths place, 43.78 is between 43.7 and 43.8
- 43.75 is the midpoint between 43.7 (43.70) and 43.8 (43.80)
- As illustrated on the number line, 43.78 is greater than the midpoint (43.75)
- Therefore, 43.78 rounded to the nearest tenth (one decimal place) = 43.8
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