Question: The volume of a sphere is given by the formula 4/3r3 where r is the radius of the sphere. The average density of an object

The volume of a sphere is given by the formula 4/3πr3 where r is the radius of the sphere. The average density of an object is simply the ratio of its mass to its volume. Using the numerical data found in Table 12.1, express the answers to the following questions in scientific notation, with SI units and an appropriate number of significant figures.
a) What is the volume of the Sun?
b) What is the volume of the Earth?
c) What is the average density of the Sun?
d) What is the average density of the Earth?

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