HankL293161 HankL293161

25-10-2022
Mathematics

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a mother duck lines her 8 ducklings up behind her. in how many ways can the ducklings line up?

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SabirinO652718 SabirinO652718

25-10-2022

In position one, we can have any of the 8 ducks

In position two, we can have 7 ducks, since one has to occupy position one

and so on

then, we have:

[tex]8\cdot7\cdot6\cdot5\cdot4\cdot3\cdot2\cdot1=8![/tex]

the factorial of 8 is 40320

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