RoizaE345584 RoizaE345584

04-11-2022
Mathematics

contestada

determine the number of permutations (arrangements) possible of 7 things taken 3 at a time

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AlijhaC182818 AlijhaC182818

04-11-2022

[tex]\Rightarrow7p_3=\frac{7!}{(7-3)!}=\frac{7!}{4!}=210[/tex]

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