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AleksandrR [38]
3 years ago
6

Find the value of each expression. Show your work. 9^P^3

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
4 0
_n{P}_r = \frac{n!}{(n - r)!}
_9P_3 = \frac{9!}{(9 - 3)!}
_9P_3 = \frac{9!}{6!}
_9P_3 = \frac{9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1}{6 * 5 * 4 * 3 * 2* 1}
_9P_3 = 9 * 8 * 7
_9P_3 = 72 * 7
_9P_3 = 504
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