montecinosm223 montecinosm223
  • 21-07-2020
  • Mathematics
contestada

how many area codes are possible if the first digit can’t be zero, no digit can be repeated, and the third digit must be 9 or 0?

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Respuesta :

Dogelook147
Dogelook147 Dogelook147
  • 21-07-2020

Answer:

9

Step-by-step explanation:

i think it's 9 that's how many area codes

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