General Chemistry

To convert inches to centimeters, we use the conversion factor that 1 inch is equal to 2.54 centimeters. This conversion factor is based on the definition of the inch as exactly 2.54 cm, which is an internationally agreed-upon standard. Given that we have 54 inches, we want to find out how many centimeters that equates to. We can set up the conversion as follows: $$ 54 \text{ inches} \times \frac{2.54 \text{ cm}}{1 \text{ inch}} $$ When setting up the conversion, we place the unit we want to convert to (cm) in the numerator and the unit we want to convert from (inches) in the denominator. This way, the inches unit will cancel out, leaving us with the centimeters unit. Now, we perform the multiplication: $$ 54 \times 2.54 \text{ cm} = 137.16 \text{ cm} $$ Therefore, 54 inches is equal to 137.16 centimeters.

Question

How many centimeters are in 54 inches?

Solution

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