document.write( "Question 1208459: One of the educational sites on the Internet requires the creation of
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document.write( "User account protected with 8 characters password
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document.write( "Different Choose from letters: A, B, C, D, E, F
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document.write( "And numbers: 6 , 5 , 4 , 3 , 2 , 1, find the number of passwords that
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document.write( "They can be created in the following cases:
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document.write( "The password contains 4 numbers and 4 letters next to each other \n" );
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Algebra.Com's Answer #846882 by ikleyn(52786)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(6*5*4*3) * (6*5*4*3) = 360 * 360 = 129600. ANSWER\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "First multiplier (6*5*4*3) is for 4-letters block made of 6 different non-repeating letters.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Second multiplier (6*5*4*3) is for 4-digits block made of 6 different non-repeating digits.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |