Koshi creates a password as follows:number, special character, letter, letter, numberIf there are 12 special characters and Koshi does not repeat a letter or number, how many possibilities are there for his password?

There are 10 choices for the first number and 9 for the last, since numbers cannot repeat. There are 12 choices for the special character, then 26 choices for the first letter and 25 for the second. Multiplying gives 10 × 12 × 26 × 25 × 9 = 702,000, so the answer is choice A, 702,000.

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