- Since 9 is in the tenths place, 530.9291585 is between 530.9 and 531.0
- 530.95 is the midpoint between 530.9 (530.90) and 531.0 (531.00)
- As illustrated on the number line, 530.9291585 is less than the midpoint (530.95)
- Therefore, 530.9291585 rounded to the nearest tenth (one decimal place) = 530.9
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