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Question 9 of 10

During an experiment, you take a measurement of 12.9 inches. What is this measurement in centimeters? (1 in = 2.54 cm)

A. 5.08 cm
B. 32.8 cm
C. 45.1 cm
D. 16.2 cm

Sagot :

GinnyAnswer
To convert a measurement from inches to centimeters, you can use the conversion factor where 1 inch equals 2.54 centimeters. Here's a step-by-step solution for converting 12.9 inches to centimeters:

1. Identify the given measurement in inches:
- The measurement is 12.9 inches.

2. Know the conversion factor:
- 1 inch equals 2.54 centimeters.

3. Set up the conversion:
- Multiply the measurement in inches by the conversion factor to get the measurement in centimeters.

4. Perform the multiplication:
- [tex]\( 12.9 \times 2.54 \)[/tex].

5. Calculate the result:
- The result of multiplying 12.9 by 2.54 is 32.766.

So, the measurement of 12.9 inches is 32.766 centimeters. Given the options in the question:

A. 5.08 cm
B. 32.8 cm
C. 45.1 cm
D. 16.2 cm

The closest and most accurate option is:
B. 32.8 cm
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