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OpenStudy (anonymous):
How many ways can six books be stacked on one shelf?
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OpenStudy (anonymous):
Thanks alot, First time being here and i like what i got thank. I know were to go!
OpenStudy (anonymous):
First book can go in any of 6 places, second in any of the 5 remaining and so on until fifth book has 2 options. There are therefore 6 x 5 x 4 x 3 x 2 ie 720 possible arrangements
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