From a list of 10 books, how many groups of 4 books can be selected?

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Is it a combinations problem or a permutations problem? Why?

2007-04-13 15:10:45 · 4 answers · asked by Anonymous in Education & Reference ➔ Homework Help

combination..............
why? That's what everyone said!

2007-04-13 15:59:51 · answer #1 · answered by LucySD 7 · 0⤊ 0⤋

Combinations

2007-04-13 22:21:21 · answer #2 · answered by vichick 5 · 0⤊ 0⤋

combinations, and the answer is 10*9*8*7=5040.

5040 combinations of four books from a set of ten.

2007-04-13 22:19:59 · answer #3 · answered by The Big Lebowski 3 · 1⤊ 0⤋

combinations- order doesn't matter

2007-04-13 22:13:55 · answer #4 · answered by Christen 2 · 0⤊ 0⤋