document.write( "Question 1025726: Please is there anyone that can help me with this problem. I have look at videos and read my book on this but still can not figure this out. I thought maybe by there being 26 letters in the alphabet and 10 numbers I could find it that way. Then I tried by it 7 characters long but that was still wrong.\r
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document.write( "A computer password is required to be 7 characters long. How many passwords are possible if the password requires 1 letter(s) and 6 digits (numbers 0-9), where no repetition of any letter or digit is allowed? \r
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document.write( " There are possible passwords. \n" );
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Algebra.Com's Answer #641024 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! For each character of the 7-character password there can be \n" ); document.write( "a different letter or number. \n" ); document.write( "26 letters + 10 digits = 36 \n" ); document.write( "------------ \n" ); document.write( "The 1st character can be 36 possible \n" ); document.write( "There are no repetitions, so there are \n" ); document.write( "35 possible for 2nd character \n" ); document.write( "----------------------- \n" ); document.write( "This continues for 7 characters, so \n" ); document.write( " \n" ); document.write( "possible passwords \n" ); document.write( "---------------- \n" ); document.write( "Hope I got it -you can get other opinions too \n" ); document.write( " |