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OpenStudy (anonymous):
What is the value of 0!9!/(9-2)! ???? a. 0 b. 72 c. 51,840 d. 181,440 Please explain too! :) Thank you!
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Parth (parthkohli):
0! is 1 btw
OpenStudy (anonymous):
Everything will cancel leaving \(9\times8 =72 \)
Parth (parthkohli):
9!/7! is left. 9 * 8 * 7! / 7! 9 * 8 72
OpenStudy (anonymous):
Awesome! Thank you and thanks for clearing up the 0! part parthkohli! :) Thank you! :)
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