tyre2k17 tyre2k17

17-07-2017
Mathematics

contestada

17. Evaluate. Show your work.
a. 6!

b. 6P5

c. 12C3

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konrad509 konrad509

17-07-2017

[tex]6!=1\cdot2\cdot3\cdot4\cdot5\cdot6=720\\\\ 6P5=\dfrac{6!}{1!}=6!=720\\\\ 12C3=\dfrac{12!}{3!9!}=\dfrac{10\cdot11\cdot12}{2\cdot3}=220[/tex]

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