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(8007) (Show Source): You can put this solution on YOUR website!
9*10^4=90,000
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