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. 31.2 cm
C. 46.5 cm
D. 12.5 cm

Answer :

To convert the measurement from inches to centimeters, we can use the fact that 1 inch is equal to 2.54 centimeters. Here are the steps for converting 18.3 inches to centimeters:

1. Start with the measurement in inches: 18.3 inches.
2. Use the conversion factor: 1 inch = 2.54 centimeters.
3. Multiply the number of inches by the conversion factor:

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

So, 18.3 inches is equal to 46.482 centimeters.

Now, let's look at the options provided:
A. 7.20 cm
B. 31.2 cm
C. 46.5 cm
D. 12.5 cm

The closest option to 46.482 centimeters is:
C. 46.5 cm

Therefore, the measurement of 18.3 inches is approximately 46.5 centimeters.