Part A

Find the net charge of a system consisting of $6\mathrm{.}17{10}^6$ electrons and $7\mathrm{.}63{10}^6$ protons.

Express your answer in coulombs.

View Available Hint$($s$)$

$Q_{\text{n}\text{e}\text{t}}=$

C

Part B

Find the net charge of a system consisting of $224$ electrons and $159$ protons.

Express your answer in coulombs.

View Available Hint$($s$)$

$Q_{\text{n}\text{e}\text{t}}=$