SOLUTION: A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first two digits cannot be 0?

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Question 866878: A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first two digits cannot be 0?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
There are 10 possible digit choices except for the first two places where there are only 9 choices.
N=9%2A9%2A10%2A10%2A10%2A10%2A10%2A10%2A10=81%2A10000000=810000000