Answer:
8 P 5 = 6720
Step-by-step explanation:
n! / (n - r)!
n = 8 ; r = 5
8! / (8 - 5)!
8! / 3!
(8 * 7 * 6 * 5 * 4 *3 * 2 * 1) / (3 * 2 * 1)
**(3 * 2 * 1) gets cancelled sooo
8 P 5 = 8 * 7 * 6 * 5 * 4
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Answer:
8 P 5 = 6720
Step-by-step explanation:
n! / (n - r)!
n = 8 ; r = 5
8! / (8 - 5)!
8! / 3!
(8 * 7 * 6 * 5 * 4 *3 * 2 * 1) / (3 * 2 * 1)
**(3 * 2 * 1) gets cancelled sooo
8 P 5 = 8 * 7 * 6 * 5 * 4
8 P 5 = 6720