vanesssa04 vanesssa04

16-06-2020
Mathematics

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permutations + combination question ^^

permutations combination question class=

Respuesta :

ronhagrid310 ronhagrid310

16-06-2020

Answer:

Option D is correct

Step-by-step explanation:

Alex has 7 textbooks.

=>The number of ways to place 4 out of 7 books on the shelf is 7P4.

=> Option D is correct

Hope this helps!

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