document.write( "Question 482573: A combination lock is set up in the office. The keypad is set up with numbers 0-9 and you know the combination is a 4 digit combo. You also know that numbers are not repeated in the combination. How many different combinations of 4 can be created?\r
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Algebra.Com's Answer #330334 by caloy(2)![]() ![]() ![]() You can put this solution on YOUR website! number of combinations= 10 x 9 x 8 x 7 \n" ); document.write( " = 5040 ways \n" ); document.write( " \n" ); document.write( " |