document.write( "Question 299382: lock combinations are made by using 4 digits. how many different lock combinations can be made if repetition of digits is allowed? \n" ); document.write( "
Algebra.Com's Answer #215128 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 10*10*10*10 \n" ); document.write( "= 10000 \n" ); document.write( " \n" ); document.write( " |