document.write( "Question 427689: We need to create serial numbers that start with one of the letters a, b, c, d, or f followed by three non-repeating digits. How many serial numbers can be created? \n" ); document.write( "
Algebra.Com's Answer #297436 by stanbon(75887)\"\" \"About 
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We need to create serial numbers that start with one of the letters a, b, c, d, or f followed by three non-repeating digits. How many serial numbers can be created?
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\n" ); document.write( "Ans: 5 ways pick a letter
\n" ); document.write( "10*9*8 = 720 ways to pick 3 digits
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\n" ); document.write( "Total ways = 5*720 = 3600 ways
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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