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OpenStudy (anonymous):
In how many ways can you arrange 9 performers in a row on a stage? A. 81 ways B. 45 ways C. 40,320 ways D. 362,880 ways
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OpenStudy (anonymous):
9! whatever that comes out to be
OpenStudy (anonymous):
81 times
OpenStudy (zzr0ck3r):
9!
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