Pretend that galaxies are spaced evenly, 6.0 Mpc apart, and the average mass of a galaxy is 1.0 x 1011 Mg. What is the average density (in kg/m) of matter in the universe? (Note: The volume of a sphere is ar, and the mass of the sun is 2.0 x 1030 kg.) | kg/m³
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There is one part to this question. I need the answer in kg/m^3. Thank you!!
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