Asked by Stephanie

Using the letters A and B, the following two-letter code words can be formed: AA, AB, BB,Ba. Using the letters A, B, and C, how many different three-letter code words can be formed?

I know that the answer is 27 from the answer sheet, but how? Can you please list the combinations? Thanks!
Answered by Ms. Sue
Yes, but can you list the combinations?

I'll get you started.

AAA
AAB
ABA
ABB
ABC
ACB
ACC
ACA
AAC
Answered by random person
3*3*3
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