Mathematics, 17.09.2021 20:00, kennyg02

The area of the surface of a sphere is described by the formula $S = 4\pi r^{2}$ , where the radius of the sphere. The earth has a radius of 3,960 miles and dry landforms approximately 29.9% of the Earth's surface. Assuming that 57% of the dry land on Earth is uninhabitable, what is the surface area of the habitual land on Earth?

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