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Problem-Solving and Data Analysis / Ratios, rates, proportional relationships, and units Difficulty: Easy

What length, in centimeters, is equivalent to a length of $51$ meters? $left parenthesis 1 meter equals 100 centimeters right parenthesis$

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Explanation

Choice C is correct. Since $1$ meter is equal to $100$ centimeters, $51$ meters is equal to $51 meters left parenthesis StartFraction 100 centimeters Over 1 meter EndFraction right parenthesis$ , or $5,100$ centimeters.

Choice A is incorrect and may result from conceptual or calculation errors.

Choice B is incorrect and may result from dividing, rather than multiplying, $51$ by $100$ .

Choice D is incorrect. This is the length, in millimeters rather than centimeters, that is equivalent to a length of $51$ meters.