brttneycoley brttneycoley

22-11-2020
Mathematics

contestada

suppose we want to choose 2 letters without replacement,from the 4 letters A,B,C,and D (a) how many ways can this be done,if the order of the choices matters? (b) how many ways can this be done if the order of the choices does not matter?

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sotoeimy127 sotoeimy127

22-11-2020

Answer:

its a just trust me

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