Estimate the electric charge of earth in coulombs

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Earth has an excess of 6.0×10^5 electrons on each square centimeter of surface. Estimate the electric charge of Earth in coulombs. Consider that the radius of Earth is 6400 km.

Work for this Q:

Q= (6.0x10^5)(-1.60x10^-19)

Q= -9.6x10^-14

But this isn't the right answer in the textbook.

Reference no: EM132049849

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