A computer system requires all users to log on using a 6 character password. If each character can be either a digit from 0 to 9 or a letter of the alphabet, what is the number os possible password? Explain

Question

anonymous · Answer

The answer is 36^6.
There are 26 letters and 10 digits, so any given character may be one of 36 characters.  There are 6 characters, so there are 36 * 36 * 36 * 36 * 36 * 36 combinations.  This is equal to 36^6.