Need math help: how many possible identification numbers are possible?

Mathematics
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A warranty identification number for a certain product consists of a letter of the alphabet followed by a four-digit number. How many possible identification numbers are there if the first digit of the four-digit number must be nonzero?
A.
B.
C.
D.
E.
F.
Nov 15th, 2015

Thank you for the opportunity to help you with your question!

Possibilities

Alphabets (A-Z) = 26

First digit (1-9) =9

second,third and fourth digits (0-9) =10 each

Therefore the possible number that can be formed from this combination is,

26*9*10^3 = 234,000

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 15th, 2015

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