Question: (c) (6 marks) I randomly chose a 3-digit code for my bike lock, only considering codes with 3 different digits. El How many different codes

(c) (6 marks) I randomly chose a 3-digit code for my bike lock, only considering codes with 3 different digits. El How many different codes exist? [I How many different codes exist with last digit 9? El What is the probability that the last digit of my randomly chosen code is a 9

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