document.write( "Question 965234: In how many distinct ways can a 15-digit number be made using eight 7s and seven 8s? \n" ); document.write( "
Algebra.Com's Answer #590905 by Edwin McCravy(20055)\"\" \"About 
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document.write( "Choose the positions for the eight 7s in 15C8 = 6435 ways\r\n" );
document.write( "Put 7 8s in all the other positions in only 1 way.\r\n" );
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document.write( "Answer: 6435 ways.\r\n" );
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document.write( "Edwin
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