patriciaanneenorasa
patriciaanneenorasa patriciaanneenorasa
  • 03-12-2019
  • Mathematics
contestada

A student number system for a county requires that the student number be 5 characters.
The first 4 characters are any single digit number, but no character can repeat and the last
character must be a letter. How many unique student numbers are possible?

30,240
131,040
260,000
315,160

Respuesta :

raymondgao2018
raymondgao2018 raymondgao2018
  • 03-12-2019

Answer:

131040

Step-by-step explanation:

10*9*8*7*26

=131040

Answer Link

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