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 534398: 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 oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
The possibilities are: 9*9*10*10*10*10*10*10*10 = 81*10^7 = 810 000 000