what is equivalent to three elementary charges?

Question

2.4times 10 to the -19
2.0times 10 to the -19
4.8times 10 to the -19
5.4times 10 to the -19

Answer 1

The charge of an electron or proton is 1.6 x 10^-19 Coulombs. Three of those would be 4.8 x10^-19, then.