SOLUTION: Determine the number of 5-digit zip codes (assume the digits can be repeated, but the first digit cannot be zero).

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Question 434318: Determine the number of 5-digit zip codes (assume the digits can be repeated, but the first digit cannot be zero).
Answer by edjones(7569) About Me  (Show Source):
You can put this solution on YOUR website!
9*10^4=90,000