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To round 56.389 to the nearest tenth of a second, we first need to understand that a tenth of a second is one decimal place after the decimal point. In this case, the digit in the tenths place is 8. Since 8 is greater than or equal to 5, we round up the digit in the tenths place to the next higher number, which makes 56.389 rounded to the nearest tenth of a second equal to 56.4.

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ProfBot

6mo ago

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