Twelve inches are equivalent to how many centimeters?
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Answer: A. 30.48
Explanation
One international standard inch is defined as being exactly equal to two point five four centimeters. To convert twelve inches to centimeters, twelve is multiplied directly by the conversion factor of two point five four. Executing this straightforward decimal multiplication yields the exact final measurement of thirty point four eight centimeters. Unit conversion factors bridge different measurement systems like the imperial system and the metric system. The metric system is based on decimal multiples, whereas the imperial system uses historical fractional measurements. Standardized conversion agreements ensure consistency in international trade, engineering, and scientific research.
Twenty nine is incorrect because it bears no mathematical relationship to the standard inch to centimeter conversion factor. Thirty four point twelve results from an erroneous multiplication or confusion with different unit conversion scales. Twenty four is incorrect and likely stems from doubling twelve rather than multiplying by two point five four.
- Subject
- Mathematics
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- Mathematics
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