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

Answer :

To convert a measurement from inches to centimeters, you can use the conversion factor that 1 inch equals 2.54 centimeters. Here’s how you can find the measurement in centimeters:

1. Identify the measurement in inches: In this case, the measurement is 18.3 inches.

2. Use the conversion factor: Multiply the measurement in inches by the conversion factor of 2.54 cm per inch.

[tex]\[
\text{Measurement in cm} = 18.3 \, \text{in} \times 2.54 \, \text{cm/in}
\][/tex]

3. Perform the multiplication:
[tex]\[
18.3 \times 2.54 = 46.482
\][/tex]

So, the measurement of 18.3 inches is equivalent to 46.482 centimeters.

Finally, compare this result with the given answer choices:

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

The closest choice to 46.482 cm is option B: 46.5 cm. Therefore, the correct answer is B. 46.5 cm.