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How many strings of eight uppercase English letters are there that start with X, if no letter can be repeated?

How many strings of eight uppercase English letters are there that start with X, if no letter can be repeated?
asked 60.0k views
1 vote
How many strings of eight uppercase English letters are there that start with X, if no letter can be repeated?

asked
User Kode
by
7.8k points

1 Answer

6 votes
X 25*24*23*22*21*20*19
which gives you
2,422,728,000
answered
User Dushyant Joshi
by
8.0k points
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How many strings of eight uppercase English letters are there if no letter can be repeated?
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