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Mathematics 11 Online
OpenStudy (anonymous):

how many different ways can you arrange 7 books on a shelf?

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

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 (anonymous):

Heh. No, that's okay. I figured it out. Thanks!

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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