P(7, 4) = \frac7!(7-4)! = \frac7!3! = 7 \times 6 \times 5 \times 4 = 840 - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$P(7, 4) = \frac{7!}{(7-4)!} = \frac{7!}{3!} = 7 \times 6 \times 5 \times 4 = 840$