document.write( "Question 1197425: (a) How many words can be formed using letter of PEPSUDENT using each letter at most once?
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document.write( " i) If each letter must be used,
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document.write( " ii) If some or all the letters may be omitted. \n" );
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Algebra.Com's Answer #830689 by MathLover1(20849)![]() ![]() You can put this solution on YOUR website! i) If each letter must be used\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"PEPSUDENT\" has \n" ); document.write( "\n" ); document.write( " there are \n" ); document.write( "\n" ); document.write( "that is \" \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Here's why that formula works:\r \n" ); document.write( "\n" ); document.write( "Choose the 1st letter any of the \n" ); document.write( "Choose the 2nd letter any of the remaining \n" ); document.write( "Choose the 3rd letter any of the remaining \n" ); document.write( "Choose the 4th letter any of the remaining \n" ); document.write( "Choose the 5th letter any of the remaining \n" ); document.write( "Choose the 6th letter either of the remaining \n" ); document.write( "Choose the 7th letter only the remaining \n" ); document.write( "\n" ); document.write( "That's \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ii) If some or all the letters may be omitted.\r \n" ); document.write( "\n" ); document.write( "That's \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "or \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |