Math

posted by .

how many three letter security codes can be made from 4 letters A,B,C,D without using a letter twice? For example, BAC and A,D,B are two such codes. Explain

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    please i need help with this...were studying probability...possible outcomes...im having trouble coming up with the right answer... The product code used by Pitz Toyz consists of a letter, followed by a digit from 1 to 9, followed …
  2. math

    Suppose a code consist of two letters followed by a digit. Find the number of (a) Codes (b) Codes with distinct letters (c) Codes with the same letters
  3. math

    Suppose a code consist of two letters followed by a digit. Find the number of (a) Codes (b) Codes with distinct letters (c) Codes with the same letters.
  4. Math

    Did I do this problem right? How many three symbol codes (letter-number-number) can be made from the letters S,P,Y and two digits from the set {0,1,2,...,9} without repetition?
  5. math 157

    How many three-symbol codes (letter, letter, number) can be made from the letters S, P, Y and one digit fro the set {0, 1, 2,...9} without repitition?
  6. probability

    you are to set up a code of consisting of three letters (A to Z) and five numbers (0 to 9). a) how many codes are possible if the letters and numbers can be repeated?
  7. math157

    How many three-symbol codes (letter-number-number) can be made from the letters S, P, Y and two digits from the set {0, 1, 2, …,9} without repetition?
  8. Mat 157

    How many three-symbol codes (letter-letter-number) can be made from the letters, S,P,Y, and one digit from the set {0,1,2,...,9] without repetition?
  9. math

    the product code used by pitz toyz consist of a letter followed by another letter such as A1A how many diffrent codes?
  10. Math

    How many 3 letter security codes can be made from the 4 letters A,B,C,D?

More Similar Questions