Answer
630
Work Step by Step
$$\frac{9!}{4!*4!}=9*8*7*6*5/24=3*7*6*5=21*30=\boxed{630}$$
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.