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The mass of Mars, 6.40 ˛ 1023 kg, is about one-tenth that of the Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density of Mars in kg/m3?

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The mass of Mars, 6.40 ˛ 1023 kg, is about one-tenth that of the Earth, and its radius, 3395 km, is about half that of Earth. What is the mean density of Mars in kg/m3?






 
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