document.write( "Question 1013628: how many three digit numbers can be formed from the digits 0,1,2,3,4 if repetition of digits is allowed. (note : 0 cannot be in the hundreds place)
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Algebra.Com's Answer #629967 by fractalier(6550) You can put this solution on YOUR website! Ask yourself, \n" ); document.write( "How many ways can the hundreds digit be chosen? Four ways. \n" ); document.write( "How many ways can the tens digit be chosen? Five ways. \n" ); document.write( "How many ways can the ones digit be chosen? Five ways. \n" ); document.write( "Then we multiply ways, and get \n" ); document.write( "4 * 5 * 5 = 100 different ways to do this... \n" ); document.write( " |