A zip code contains 3 digits. How many different zip codes can be made – InterviewSolution

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1.	A zip code contains 3 digits. How many different zip codes can be made with the digits 0–9 if no digit is used more than once and the first digit is not 0?
Answer» A zip code contains 3 digits. How many different zip codes can be made with the digits 0–9 if no digit is used more than once and the first digit is not 0?

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