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## Homework Statement

The formula for the surface area of a sphere is 4(3.14) r2, where r is the mean distance from the sun to the earth. Determine the sphere of light (square meters) illuminated by the sun the size of the earth's orbit.

## Homework Equations

astronomical Unit-149,597,829 k

## The Attempt at a Solution

my answer is 2.8122922(17)

no idea

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