SOLUTION: How many social security numbers are possible that have the same first five digits?

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Question 446981: How many social security numbers are possible that have the same first five digits?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Note that the first five digits are fixed, so we only care about the remaining four digits. Each placeholder has ten different possibilities (0, 1, ..., 9) so there are 10^4 possible SSNs.