Question: 8. (15 points) Suppose that a valid computer password consists of seven characters, the first of which is a letter chosen from the set (A,

8. (15 points) Suppose that a valid computer password consists of seven characters, the first of which is a letter chosen from the set (A, B, C, D, E, F, G) and the remaining six characters are letters chosen from the English alphabet or a digit. How many different passwords are possible

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