3 years ago

Evaluate 7P4 Evaluate 12C5

Mathematics

1 answer:

Verdich [7]3 years ago

5 0

Answer:

Below.

Step-by-step explanation:

7P4

= 7! / (7-4)!

= 7*6*5*4*3*2*1 / ( 3*2*1)

= 7*6*5*4

= 840.

12C5

= 12! / (12-5)! 5!

= 12*11*10*9*8*7*6*5*4*3*2*1 / ( 7*6*5*4*3*2*1 * 5*4*3*2*1)

= 12*11*10*9*8 / 5*4*3*2*1

= 792.

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