OG详解-OG3 数学2 Q3

Choice C is correct. Since 1 meter is equal to 100 centimeters, 51 meters is equal to 51 meters (100 centimeters1 meter​​) , or 5,100 centimeters. 1meter.
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.