document.write( "Question 1132239: Serial numbers for a product are to be made using 2 letters followed by 4 digits. The letters are to be taken from the first 9 letters of the alphabet, with no repeats. The digits are taken from the 10 digits (0,1,2,...,9), with no repeats. How many serial numbers can be generated? \n" ); document.write( "
Algebra.Com's Answer #749210 by rothauserc(4718)\"\" \"About 
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total serial numbers generated = 9 * 8 * 10 * 9 * 8 * 7 = 362,880
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\n" ); document.write( "Note there are 9 choices for the first letter, then 8 choices for the second letter, there are 10 choices for the first number, and so forth
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