SOLUTION: Allie and Betty want to know how many 3-letter combinations such as BMW or DDT(letters can repeat). Allie thinks that there can be 26+26+26 combos. WHereas Betty thinks there is 26
Algebra ->
Probability-and-statistics
-> SOLUTION: Allie and Betty want to know how many 3-letter combinations such as BMW or DDT(letters can repeat). Allie thinks that there can be 26+26+26 combos. WHereas Betty thinks there is 26
Log On
Question 1093288: Allie and Betty want to know how many 3-letter combinations such as BMW or DDT(letters can repeat). Allie thinks that there can be 26+26+26 combos. WHereas Betty thinks there is 26x26x26 combos .Who is right and why?
I think that betty is right because there are 26 combos i just cant find a way to explain it Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Allie and Betty want to know how many 3-letter combinations such as BMW or DDT(letters can repeat).
--------
It's 26^3 = 17576.