Answered

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In how many ways can 4 books be arranged on a shelf if there are 8 books to choose from


Sagot :

mhanifa

Answer:

  • 70 ways

Step-by-step explanation:

4 books out of 8 can be arranged in:

  • 8!/(8-4)!*4! =
  • 8*7*6*5/2*3*4 =
  • 70 ways
manissaha129

Answer:

If 4 books are chosen out of 8 books, they can be arranged as

[tex]C(8,4) = \frac{8}{} C\frac{}{4} = \frac{8!}{4!(8 - 4)!} = \frac{8!}{4 !\times 4!}= 70[/tex]

In 70 ways the books can be arranged.

70 is the right answer.

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