Question: The default passcode on a cell phone is usually 4 digits each 0-9 a) How many different passcodes are possible b)If you can enter a

The default passcode on a cell phone is usually 4 digits each 0-9 a) How many different passcodes are possible b)If you can enter a 4 -digit passcode in 1 second, about how long would it take you to try all possible passcodes

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