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A phone number contains 7 digits. How many different numbers can be made using the digits 0–9 if the first digit is not 0 and none of the digits can be repeated?

A phone number contains 7 digits. How many different numbers can be made using the digits 0–9 if the first digit is not 0 and none of the digits can be repeated?
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A phone number contains 7 digits. How many different numbers can be made using the digits 0–9 if the first digit is not 0 and none of the digits can be repeated?

asked
User Minni
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8.1k points

1 Answer

0 votes
9658742 can be one!!!!!!!!!!!!!!
answered
User Saleem Khan
by
7.5k points
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