Answer and Explanation
Your Answer is
Correct Answer is E
Explanation
Because it cannot be repeated, the possibility of letters is 24 by 23 by 22, and the possibility of numbers is 10 by 9. Choose E.
Your Answer is
Correct Answer is E
Explanation
Because it cannot be repeated, the possibility of letters is 24 by 23 by 22, and the possibility of numbers is 10 by 9. Choose E.