I believe this question involves the rule of sum and the fundamental counting principle. I...
Averi Mitchell
Answered question
2022-06-20
I believe this question involves the rule of sum and the fundamental counting principle. I think my logic here is wrong, but I hope you could correct it.
(26 P 2 + 26 P 3)(10 P 4) = 8.19*10^7
(26 P 2 + 26 P 3)(10 P 4) = 8.19*10^7
Answer & Explanation
Samantha Reid
Beginner2022-06-21Added 22 answers
If the letters and digits cannot be repeated, then your answer is correct.
If they can, then you have 26 options every time you select a letter, and 10 options every time you select a digit, so it would be
If they can, then you have 26 options every time you select a letter, and 10 options every time you select a digit, so it would be
