Asked by Megan

How many 3 letter security codes can be made from the 4 letters A,B,C,D? For example , BAB, and ABB, are two such codes, and DAC is another. Explain
Answered by Steve
there are 4 choices for each letter. So, that makes 4^3 = 64 codes in all.
There are no AI answers yet. The ability to request AI answers is coming soon!