SOLUTION: a four digit code is created from the digits 0 to 9. how many of these codes can be created if 0 cannot be the first digit, no digit may be repeated, and the last digit must be 5
Algebra ->
Permutations
-> SOLUTION: a four digit code is created from the digits 0 to 9. how many of these codes can be created if 0 cannot be the first digit, no digit may be repeated, and the last digit must be 5
Log On
Question 959540: a four digit code is created from the digits 0 to 9. how many of these codes can be created if 0 cannot be the first digit, no digit may be repeated, and the last digit must be 5
You can put this solution on YOUR website! First digit has 8 choices (can't be 0, can't be 5).
Second digit has 7 choices.
Third digit has 6 choices.
Fourth digit has 1 choice.