In how many ways can you make a five letter password using the first ten letters of the English alphabet if each letter

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In how many ways can you make a five letter password using the first ten letters of English alphabet if each letter can be used at most once? (You can use only capital letters.)

A. \(5!\)
B. \(10*9*8*7*6\)
C. \(10!-5!\)
D. \(10^5\)
E. \(10!\)

OA B
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