document.write( "Question 766583: Suppose a “combination” lock has the numbers 0 to 39 on it. In order to open the lock, a person must dial the correct three number sequence like 12 left, 24 right, 6 left. \r
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document.write( "1. How many different three-number sequences are possible assuming that numbers can be repeated?\r
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document.write( "2. How many different three-number sequences are possible if numbers may not be repeated? \n" );
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Algebra.Com's Answer #467059 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Suppose a “combination” lock has the numbers 0 to 39 on it. In order to open the lock, a person must dial the correct three number sequence like 12 left, 24 right, 6 left. \r \n" ); document.write( "\n" ); document.write( "1. How many different three-number sequences are possible assuming that numbers can be repeated? \n" ); document.write( "40*40*40 = 64000 \n" ); document.write( "================== \n" ); document.write( "2. How many different three-number sequences are possible if numbers may not be repeated? \n" ); document.write( "40*39*38 \n" ); document.write( " \n" ); document.write( " |