Shaynnn4222 Shaynnn4222
  • 03-07-2020
  • Mathematics
contestada

7. Evaluate 4P2

O

22

O

12

O

14

5

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 06-07-2020

Answer:

12

Step-by-step explanation:

To evaluate 4P2, we will use the permutation formula as shown;

nPr = [tex]\frac{n!}{(n-r)!}[/tex]

4P2 = [tex]\frac{4!}{(4-2!}[/tex]

[tex]= \frac{4!}{2!} \\= \frac{4*3*2!}{2!}\\ = 4*3\\= 12[/tex]

4P2 = 12

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