The distance from an asteroid to earth is 3.8*$$10^{5}$$m. The distance between the moon and the earth is 4*$$10^{2}$$m. The distance from the asteroid on a map to the earth is 1.9cm. What is the distance from the moon to the earth on the map?
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A0.2m
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B2m
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C20m
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D200m
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E2000m
显示答案
正确答案: B