SOLUTION: A security system consists of four digits password. The first two digits must be
numbers(0 to 9) and the last two digits must be letters. How many different
passwords are availab
Algebra.Com
Question 838410: A security system consists of four digits password. The first two digits must be
numbers(0 to 9) and the last two digits must be letters. How many different
passwords are available if the first digit can not be 0 or 1 and the last digit can
not be x,y,z?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
8*10*26*23=47840
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