Asked by CJ

A star is estimated to have a mass of 1 ✕ 1036 kg. Assuming it to be a sphere of average radius 7.0 105 km, calculate the average density of the star in units of grams per cubic centimeter.

round to the correct number of significant figures.
Answered by DrBob222
Change radius of 7.0E5 km to cm; then (4/3)*pi*r^3 = volume of star.

Change mass 1E36 kg to g.
Density = mass/volume
Post your work if you get stuck.
Answered by Anonymous
910000
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