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OpenStudy (anonymous):
Four out of 9 performers will be chosen to stand in a row on stage. How many ways can the 4 performers stand in a row? A:362,880 ways B:347,760 ways C:15,120 ways D:3024 ways
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OpenStudy (anonymous):
hello???please help me!!!!
OpenStudy (anonymous):
Sorry, I was only looking at the 4, not the 9.
OpenStudy (anonymous):
9*8*7*6*5*4*3*2*1=362,880
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