An online banking service requires its customers to select a password that is four characters long. The password is case-sensitive, so upper-case letters are considered to be different than lower-case letters. The first character of the password must be an upper-case letter and the second character must be a digit. The remaining two characters may each be a digit, an uppercase letter, or a lowercase letter. What is the number of possible passwords?
A) 175,760
B) 336,960
C) 999,440
D) 1,406,080

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The Answer of An online banking service requires its customers to select a password that is four characters long. The password is case-sensitive, so upper-case letters are considered to be different than lower-case letters. The first character of the password must be an upper-case letter and the second character must be a digit. The remaining two characters may each be a digit, an uppercase letter, or a lowercase letter. What is the number of possible passwords?
A) 175,760
B) 336,960
C) 999,440
D) 1,406,080

An Online Banking Service Requires Its Customers to Select a Password