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How many 5-digit passwords are possible for the school email system if the first digit cannot be 0?

How many 5-digit passwords are possible for the school email system if the first digit cannot be 0?
asked 31.2k views
5 votes
How many 5-digit passwords are possible for the school email system if the first digit cannot be 0?

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User Amessihel
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8.1k points

1 Answer

6 votes
9*10*10*10*10=90000
.....,.........,.,.,
answered
User Ectype
by
8.0k points
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