Mathematics, 15.05.2021 01:00 kharmaculpepper

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 matters?
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(b) How many ways can this be done, if the order of the choices does not matter?

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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 matters? Í (b) How many ways can this be done, if the order of the choices does not matter?

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Another question on Mathematics

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 matters?
Í
(b) How many ways can this be done, if the order of the choices does not matter?