Answer
343
Work Step by Step
Because three is the exponent, we multiply seven by itself three times:
$7^3$
$7*(7*7)$
$7*49$
$343$
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.