- Since 0 is in the tenths place, 86.036 is between 86.0 and 86.1
- 86.05 is the midpoint between 86.0 (86.00) and 86.1 (86.10)
- As illustrated on the number line, 86.036 is less than the midpoint (86.05)
- Therefore, 86.036 rounded to the nearest tenth (one decimal place) = 86.0
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