document.write( "Question 1174677: A certain website allows for eight characters for its password. The first character has to be a letter and the last character has to be a number. However, the middle six characters can be letters and numbers. How many different passwords can this system allow? NOTE: Upper and Lower case letters matter. \n" ); document.write( "
Algebra.Com's Answer #800119 by math_helper(2461)\"\" \"About 
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A certain website allows for eight characters for its password. The first character has to be a letter and the last character has to be a \"cross%28number%29+green%28digit%29\". However, the middle six characters can be letters and \"cross%28numbers%29+green%28+digits%29\". How many different passwords can this system allow? NOTE: Upper and Lower case letters matter.\r
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\n" ); document.write( "\n" ); document.write( "There are 52 letters (A..Z and a..z) and 10 digits (0..9)\r
\n" ); document.write( "\n" ); document.write( "Number of passwords = \"+52+%2A+%2810%2B52%29%5E6+%2A+10\" = 29,536,122,503,680 (\"29 trillion, 536 billion, 122 million, 503 thousand, six hundred and eighty\") \r
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