Michael is packing his bags for his vacation. He has 6 unique books, but only 4 fit in his bag. How many different groups of 4 b
1 answer:
Answer:
15
Step-by-step explanation:
Michael has 6 unique books, but 4 not-unique slots. Since the slot is not unique, the orders you pick the 4 books are not important. When order important you use permutation but since the order is not important you use the combination. The calculation will be:
6C4 = = 15
There are 15 ways to group the 4 books.
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