- Since 1 is in the tenths place, 7.115 is between 7.1 and 7.2
- 7.15 is the midpoint between 7.1 (7.10) and 7.2 (7.20)
- As illustrated on the number line, 7.115 is less than the midpoint (7.15)
- Therefore, 7.115 rounded to the nearest tenth (one decimal place) = 7.1
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