Mathematics: Raina is choosing a 3 -letter password from the letters a, b, c, and d. the password cannot have the same letter repeated in it. how many such passwords are possible?

Raina is choosing a 3 -letter password from the

Ответ:

kay4173

10.01.2022

Mathematics

Raina can have a total of 16 passwords, but I am 99% sure of that answer.

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Ответ:

chelsearodi3985

24.10.2020

Mathematics

The answer is 20
0+2=2
2+3=5
5+4=9
9+5=14
14+6=20 <— the answer
20+7=27

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Raina is choosing a
3

-letter password from the letters a, b, c, and d. the password cannot have the same letter repeated in it. how many such passwords are possible?

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