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kiruha [24]
3 years ago
15

How many four-letter codes can be made if no letter can be used twice?

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
8 0

Answer:4 ways to make a code of 4 letters. 6C4=15, 4!=24, and 15×24=360

hope i helped

Step-by-step explanation:

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Step-by-step explanation:

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