SOLUTION: The password for an ATM card of a bank must be in 4 digits from 0 to 9 each. How many different password can be formed?

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Question 1175163: The password for an ATM card of a bank must be in 4 digits from 0 to 9 each. How many different password can be formed?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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There are 10%5E4 = 10,000 different passwords.

Because there are 10 independent possibilities in each of 4 positions.