Mohon bantuanya, disertai caranya:)

|LISTRIK STATIS|

Diket : q1 = 16 mC = 16.10^-3
q2 = 12 mC = 12.10^-3
r = 4 cm = 4.10^-2
Dit : Fc =.......?

Penyelesaian :

Fc = K.q1.q2 / (r)²
= 9.10^9.16.10^-3.12.10^-3 / (4.10^-2)²
= 9.16.12.10^9+(-3)+(-3) / 16.10^-4
= 1728.10^3 / 16.10^-4
= 108.10^3+4
= 108.10^7 (tarik menarik) [A]