Multiple part question!! Part A: A proton and an electron are separated by a distance of 1.2 x 10-9m. What is the force

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Multiple part question!!
Part A:
A proton and an electron are separated by a distance of 1.2 x10-9m. What is the force on the proton?
Answer: ___ x 10-10N (Be sure to use thecorrect significant figures)
What is the force on the electron?
Answer: ____ x 10-10N (Be sure to use thecorrect significant figures)
Is the force between the proton and the electron attractive orrepulsive?
Part B:
What is the strength of the electric field a distance of2.0m from a 4.0μC charge?
Is the electric field point toward or away from the charge?
Part C:
What is the magnitude of the force on a 3.0μC chargedue to a 9.0×103 N/C electric field?
Answer: ___ x 10-2N