nikogonzalez0719 nikogonzalez0719
  • 14-05-2020
  • Mathematics
contestada

A security code consists of 9 digits (0–9), and a digit may not be used more than once. How many possible security codes are there?

Respuesta :

jg101883
jg101883 jg101883
  • 14-05-2020

Answer:

a

Step-by-step explanation:

Answer Link
flyingfluffywolf flyingfluffywolf
  • 14-05-2020

Answer: 362880 (?)

Step-by-step explanation:

I believe this question is asking for a permutation, in which I plugged it into my graphing calculator as nPr(9,9) and got that answer.

Answer Link

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