High School

During an experiment, you take a measurement of 18.3 inches. What is this measurement in centimeters? (1 in = 2.54 cm)

A. 31.2 cm
B. 7.20 cm
C. 46.5 cm
D. 12.5 cm

Answer :

To convert the measurement from inches to centimeters, you can use the conversion factor that states 1 inch is equal to 2.54 centimeters. Here's how to do it step-by-step:

1. Start with the measurement you have, which is 18.3 inches.

2. Multiply the number of inches by the conversion factor (2.54 centimeters per inch).

[tex]\[
18.3 \, \text{inches} \times 2.54 \, \text{cm/inch} = 46.482 \, \text{cm}
\][/tex]

3. After multiplying, you get a result of 46.482 centimeters.

4. Compare this result with the given options:
- A. 31.2 cm
- B. 7.20 cm
- C. 46.5 cm
- D. 12.5 cm

The value 46.482 cm closely matches option C, 46.5 cm. Therefore, the correct answer is:

C. 46.5 cm