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Answered

nine book are to be arranged on a shelf . there are 3 math distinct book, 4 sience book, and 2 english book. how many distinct arrangement are possible

Sagot :

Shanjrobetnerrotgo

Answer:

504

Step-by-step explanation:

N=9

r=3

p=n,r

p=9,3=9(9-1)(9-2)

=9,8,7

=504

hope it's help

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correct me if I'm wrong

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