Question: 4. (10 points) Suppose that a password for a computer system must have a length between 7-10 characters. Each character on the password is either

4. (10 points) Suppose that a password for a computer system

4. (10 points) Suppose that a password for a computer system must have a length between 7-10 characters. Each character on the password is either a lower case English letter or a digit. How many passwords are there available for this computer system? If it takes 1/10 of a second for a hacker to try a password, how long does it take to try all off them

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