document.write( "Question 907466: Consider the strings that consist of four lowercase letters and have the letter z in
\n" ); document.write( "them. How many such strings are there? Assume we are using the English alphabet.\r
\n" ); document.write( "\n" ); document.write( "I think solution is 26^4-25^4
\n" ); document.write( "is this right anwser ?
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Algebra.Com's Answer #550389 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
z***
\n" ); document.write( "*z**
\n" ); document.write( "**z*
\n" ); document.write( "***z\r
\n" ); document.write( "\n" ); document.write( "Can the * be another z? If so there are 26 possible choices.
\n" ); document.write( "If not then there are 25 possible choices.
\n" ); document.write( "\"N=1%2A26%2A26%2A26%2B26%2A1%2A26%2A26%2B26%2A26%2A1%2A26%2B26%2A26%2A26%2A1\"
\n" ); document.write( "\"N=4%2A26%2A26%2A26\"
\n" ); document.write( "or
\n" ); document.write( "\"N=1%2A25%2A25%2A25%2B25%2A1%2A25%2A25%2B25%2A25%2A1%2A25%2B25%2A25%2A25%2A1\"
\n" ); document.write( "\"N=4%2A25%2A25%2A25\"
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