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To round 3.87129 to one decimal place, we look at the digit in the tenths place, which is the 7. Since 7 is greater than or equal to 5, we round up the digit in the tenths place. Therefore, 3.87129 rounded to one decimal place is 3.9.

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4mo ago

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3.87129 rounded off to one decimal place = 3.9

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Wiki User

12y ago
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Q: 3.87129 rounded to one decimal place?
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