cdayon31
cdayon31 cdayon31
  • 23-10-2020
  • Mathematics
contestada

HELP ASAP PLEASE
How many phone numbers are, possible in the area code (407), if the number has the form ABC-XXXX where A is restricted to 3-9, and B is restricted to 1-9 C is restricted 2-6 and X can be any number from 0-9,
a. 3,150,000
b) 3,600,000
c) 3,001,500
d) 2,520,000

Respuesta :

Аноним Аноним
  • 23-10-2020

Answer:

A

Step-by-step explanation:

7*9*5*10*10*10*10=3150000

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