Two small spheres spaced 20.0 cm apart have equalcharge. How many excess electro

Question

Two small spheres spaced 20.0 cm apart have equalcharge. How many excess electrons must be present on each sphere ifthe magnitude of the force of repulsion between them is 4.47 * 10^-21 N? Hi Can anyone answer this and show me the steps to solve itplease. Two small spheres spaced 20.0 cm apart have equalcharge. How many excess electrons must be present on each sphere ifthe magnitude of the force of repulsion between them is 4.47 * 10^-21 N? Hi Can anyone answer this and show me the steps to solve itplease.

Explanation / Answer

I got 868.75 and it is saying that is wrong, I used either bad rounding or sig figs. but i tried 869

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