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scoray [572]
3 years ago
6

Can someone help me with this and explain: Compute 28P7

Mathematics
1 answer:
sp2606 [1]3 years ago
3 0
Using the factorial notation of the permutation formula, we get:

nPr = \frac{n!}{(n - r)!}
28P7 = \frac{28!}{(28 - 7)!}
= 28 \cdot 27 \cdot 26 \cdot 25 \cdot 24 \cdot 23 \cdot 22
= 5 967 561 600
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