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24 votes
24 votes
(a) How many different three-letter initials can people have: , (b) How many different three-letter initials with none of the letters repeated can people have: , (c) How many different three-letter initials with letters repeated begin with an X: , (d) How many different three-letter initials begin with a F and end in a D: .

User Mozgras
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1 Answer

22 votes
22 votes

Answer:

Explanation:

A) 26*26*26 =17576

B)26*25*24=15600

C)26*26=676

D) 26

User Luillyfe
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