document.write( "Question 563376: A serial number must consist of four different digits, followed by two different letters. how many different serial numbers of this form have the first digit 3 and the second digit 5? \n" ); document.write( "
Algebra.Com's Answer #364858 by stanbon(75887)\"\" \"About 
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A serial number must consist of four different digits, followed by two different letters. how many different serial numbers of this form have the first digit 3 and the second digit 5?
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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