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allochka39001 [22]
3 years ago
15

Simplify the expression 4P2 A 12 B 2 C 4 D 24

Mathematics
2 answers:
Advocard [28]3 years ago
6 0
The correct answer is 12. Hope this helps!
LuckyWell [14K]3 years ago
5 0

Answer:

12

Step-by-step explanation:

nPr=\frac{n!}{(n-r)!}

So in your case, n = 4 and r = 2.

n! = 4! = 4*3*2*1

(n-r)! = (4-2)! = 2! = 2*1

So....

\frac{4*3*2*1}{2*1}=\frac{24}{2}=12

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