Answer
$\Delta U = 7.5\times 10^{-8}~J$
Work Step by Step
We can find the change in electric potential energy:
$\Delta U = q~\Delta V$
$\Delta U = (3.0\times 10^{-9}~C)(25~V)$
$\Delta U = 7.5\times 10^{-8}~J$
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.