1 inch equals how many centimeters?

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Multiple Choice

1 inch equals how many centimeters?

Explanation:
Converting inches to centimeters uses the exact fact that one inch equals 2.54 centimeters. Since 1 inch is defined as 25.4 millimeters, that makes 1 inch exactly 2.54 cm. So for a length of one inch, the measurement in centimeters is 2.54. The other numbers are not the precise conversion: 2.50 cm is a rounding approximation, while 2.75 cm and 3.00 cm correspond to longer lengths (about 1.08 and 1.18 inches), not exactly one inch.

Converting inches to centimeters uses the exact fact that one inch equals 2.54 centimeters. Since 1 inch is defined as 25.4 millimeters, that makes 1 inch exactly 2.54 cm. So for a length of one inch, the measurement in centimeters is 2.54. The other numbers are not the precise conversion: 2.50 cm is a rounding approximation, while 2.75 cm and 3.00 cm correspond to longer lengths (about 1.08 and 1.18 inches), not exactly one inch.

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