document.write( "Question 574411: A telephone company wants to create as
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document.write( "many 7-digit phone numbers as possible
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document.write( "without changing the first 3 digits. How
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document.write( "many phone numbers can be created? \n" );
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Algebra.Com's Answer #369266 by sudhanshu_kmr(1152)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "According to question first 3 digits are fixed. \r \n" ); document.write( "\n" ); document.write( "Number of ways to create 4 digit numbers = 10* 10*10*10 = 10000 \n" ); document.write( "(repetition of digits are allowed on phone number)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if any doubt, feel free to contact.... \n" ); document.write( " |