Answer
$3\times10^{-8}$
Work Step by Step
$\frac{7.5\times10^{-2}}{2.5\times10^{6}}=\frac{7.5}{2.5}\times\frac{10^{-2}}{10^{6}}=3\times10^{-8}$
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.