SOLUTION: What is the number of possible 9 digit social security numbers if the digits may be repeated?

Algebra ->  Permutations -> SOLUTION: What is the number of possible 9 digit social security numbers if the digits may be repeated?       Log On


   

Question 553392: What is the number of possible 9 digit social security numbers if the digits may be repeated?
Answer by Alan3354(69443) About Me  (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