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From a list of ten books, how many groups of 4 books can be selected

Sagot :

jsblumen

First you have all ten books, but then every time after, you loose one because you can't put the same book in the group twice.

10 * 9 * 8 * 7 = 5040 groups

wolfgamerman12

Answer:

210

Step-by-step explanation:

is the actually answer.

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