Question: Time lent 0.ly. 1/ (8) One digital lock has a keypad with 10 numbers: 0, 1,2,.,9, and three special characters: #, @, $. It requires

Time lent 0.ly. 1/ (8) One digital lock has a keypad with 10 numbers: 0, 1,2,.,9, and three special characters: #, @, $. It requires to set up a passcode when installing the lock. For security reason, the passcode dos not allow repeating numbers/characters. i.e. all the digits are different from each other. 1(4). The passcode requires 5 different digits, and all digits must be numbers. How many different possible passcodes are there? 2(4). The passcode requires 6 digits, and must include five different numbers and one special character. How many different possible passcodes are there? A * B I E E E
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