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mynameisjanelleBest ResponseYou've already chosen the best response.1
dw:1344502015404:dw
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.0
do you know what 9! and 7! equal to?
 one year ago

mynameisjanelleBest ResponseYou've already chosen the best response.1
362880 5040 =72?
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.0
that was oddly quick
 one year ago

apple_piBest ResponseYou've already chosen the best response.1
\[\frac{9*8*7*6*5*4*3*2*1}{7*6*5*4*3*2*1}\] what can you cancel from top and bottom?
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.0
\[\frac{9!}{7!}=\frac{9\times8\times7!}{7!}=9\times8\]
 one year ago
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