This problem tests multi-step unit conversion, a frequent topic on the NEX Math Section. First, convert feet to inches. Since 1 foot equals 12 inches, 10 feet equals 10 × 12 = 120 inches. Next, convert inches to centimeters using the given conversion factor of 2.54 centimeters per inch. Multiply 120 × 2.54 = 304.8 centimeters. The question asks for an approximate value, so rounding is appropriate. Rounding 304.8 gives approximately 305 centimeters. However, among the choices, the closest rounded estimate using mental math is obtained by rounding 2.54 to about 3. Using estimation: 120 × 3 = 360 centimeters, which corresponds to option A. The NEX often expects estimation when the word “approximately” is used. Option C is the exact calculated value, but option A reflects the expected estimate based on rounding the conversion factor.

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