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Shaul made a password that consists of one letter followed by two digits. The two digits are different. How many possible passwords did Shaul choose from?

Respuesta :

Using the Fundamental Counting Theorem, it is found that Saul choose from 2340 possible passwords.

What is the Fundamental Counting Theorem?

It is a theorem that states that if there are n things, each with [tex]n_1, n_2, \cdots, n_n[/tex] ways to be done, each thing independent of the other, the number of ways they can be done is:

[tex]N = n_1 \times n_2 \times \cdots \times n_n[/tex]

In this problem:

  • For the first character, there are 26 outcomes, hence [tex]n_1 = 26[/tex].
  • The digits cannot be repeated, hence [tex]n_2 = 10, n_3 = 9[/tex].

Then, the number of different passwords is given by:

N = 26 x 10 x 9 = 2340

More can be learned about the Fundamental Counting Theorem at https://brainly.com/question/24314866