Answer
$120$
Work Step by Step
RECALL:
$n! = n(n-1)(n-2)(n-3)...(3)(2)(1)$
Use this definition to have
$5! = 5(4)(3)(2)(1) = 120$.
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.