Answer
$210$
Work Step by Step
Express the problem in the permutation formula and simplify.
$_7P_3$
$\frac{7!}{(7-3)!}$
$\frac{7(6)(5)(4)(3)(2)(1)}{(4)(3)(2)(1)}$
$210$
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.