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sesenic [268]
3 years ago
11

You need to hang seven pictures in a straight line, in how many ways can this be done?

Mathematics
1 answer:
Furkat [3]3 years ago
3 0
This is simple. It is 7 factorial, or 7!. This just means 7*6*5*4*3*2*1, which is 5040.
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