Find the average density of a red giant star with a mass of 20 × 10³⁰ kg (approximately 10 solar masses) and a radius of 150 × 10⁹ m (equal to the Earth's distance from the Sun). A)1.41 × 10⁻⁴ kg/m³ B)0.007 kg/m³ C)1.41 kg/m³ D)710 kg/m³ E)1.41 × 10⁻³kg/m³

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Quizplus · Accepted Answer

The average density is calculated using the formula: density = mass/volume. The volume of a sphere is (4/3)πr³. Substituting the given mass and radius, the density is approximately 1.41 × 10⁻³ kg/m³.

Find the Average Density of a Red Giant Star with a Mass