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OpenStudy (anonymous):
how many different ways can you arrange 7 books on a shelf?
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sam (.sam.):
7!
OpenStudy (sup_open~study):
lol yeah 7
OpenStudy (anonymous):
Huh? The answer options are: a) 823,543 b) 5040 c) 720 d) 28
OpenStudy (sup_open~study):
o ok one sec
sam (.sam.):
7 factorial, not 7 exclamation
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OpenStudy (sup_open~study):
it's B
OpenStudy (sup_open~study):
5,040
OpenStudy (anonymous):
So...how would you do that? I tried doing this: 7 * 6 * 5 * 4 * 3 * 2 * 1 = 5040. Is that correct?
OpenStudy (sup_open~study):
http://www.chacha.com/askChaCha/how+many+different+ways+can+you+arrange+7+books+on+a+shelf
OpenStudy (anonymous):
Heh. No, that's okay. I figured it out. Thanks!
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OpenStudy (sup_open~study):
no problem :)
OpenStudy (sup_open~study):
yeah cha cha is an awesome site for questions like that and you can use weegy.com to :)
OpenStudy (sup_open~study):
do you need help with anything else ???
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