Answer
$3.6 \times 10^{18}$
Work Step by Step
Rearrange Factors:
$=(7.2 \times 5 )(10^{11} \times 10^6)$
Simplify:
$=36 \times 10^{17}$
Convert to scientific notation:
$=\boxed{3.6 \times 10^{18}}$
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.