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posted by angela on Thursday, September 30, 2010 at 11:39am.
What is the average density of Mars? Mass = 6.42 x1023 kg, radius = 3390 km.
Density=mass/volume Mass=6.42*10⊃23 kg Radius, r = 3390 km =3390000 m Volume = (4/3)πr³ Density = ? kg/m³
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