SOLUTION: What is the number of possible 9 digit social security numbers if the digits may be repeated?
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Question 553392: What is the number of possible 9 digit social security numbers if the digits may be repeated?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What is the number of possible 9 digit social security numbers if the digits may be repeated?
--------
10^9 = 1,000,000,000
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