document.write( "Question 624063: how many different codes of 4 digits are possible if the first digit must be 3,4, or 5 and if the code may not end in 0? \n" ); document.write( "
Algebra.Com's Answer #392513 by Alan3354(69443)\"\" \"About 
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how many different codes of 4 digits are possible if the first digit must be 3,4, or 5 and if the code may not end in 0?
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\n" ); document.write( "3*10*10*9\r
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