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allochka39001 [22]
3 years ago
12

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?​
Mathematics
1 answer:
mart [117]3 years ago
5 0

Answer:

its a just trust  me

Step-by-step explanation:

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