Answer
$9.6*10^{-9}$ wa
Work Step by Step
This is found by noting that all the given charges are multiples of $9.6*10^{-9}$ wa.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.