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Mathematics, 23.02.2021 07:50 s913823

Suppose we want to choose 4 letters, without replacement, from 17 distinct letters. (a) How many ways can this be done, if the order of the
choices is taken into consideration?
(b) How many ways can this be done, if the order of the choices is not taken into consideration?

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Suppose we want to choose 4 letters, without replacement, from 17 distinct letters. (a) How many wa...
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