document.write( "Question 547217: The internal telephone numbers in the phone system on a campus consist of five digits with the first digit not equal to zero. How many different numbers can be assigned in this system?\r
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document.write( "i would believe that it would be 9 * 10 * 10 * 10 * 10. but i am not quite sure.
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document.write( "would this question be labeled as combination or permutation? \n" );
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Algebra.Com's Answer #356290 by mathie123(224)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Since order does matter in this case, this is a PERMUTATION. \r \n" ); document.write( "\n" ); document.write( "(A way to remember-- rather than combination locks, they should be called Permutation locks, as the order matters in the code you use to unlock it with. ) \n" ); document.write( " |