SOLUTION: Computers manufactured by a certain company have a serial number consisting of a letter of the alphabet followed by a six-digit number. If all the serial numbers of this type have

Question 369960: Computers manufactured by a certain company have a serial number consisting of a letter of the alphabet followed by a six-digit number. If all the serial numbers of this type have been used, how many sets have already been manufactured?

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There are 26 letters in the alphabet and 10 digits to choose from.
The total number of serial numbers of this type are,

.
.
.
26 million sets have been manufactured.

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