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

Question

Question Part
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Submissions Used
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–/0.47
0/100
Total
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A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first two digits cannot be 0?

anonymous · Answer

Not sure where to start

anonymous · Answer

This is a question on Combinations, how many possibilities are there for each digit?

anonymous · Answer

999999999-2?  Maybe lol idk

anonymous · Answer

hint numbers can go from 0-9 but there is something special about the first two digits...

anonymous · Answer

last cant be
00
x0
0x
so it be 

999999999-3

anonymous · Answer

not quite