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How many permutations of a 7-digit phone number exist
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How many permutations of a 7-digit phone number exist

User Jarron
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1 Answer

2 votes

Answer:

10,000,000

Explanation:

There are 10 possible numbers for each digit (0-9). So the number of permutations is 10^7, or 10 million.

User Esteve
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