document.write( "Question 1116919: Express the following in rational form
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document.write( "a) 0.3434343434343434343434...
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document.write( "b)2.457777777777777777777777... \n" );
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Algebra.Com's Answer #731833 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Express the following in rational form \n" ); document.write( "a) 0.3434343434343434343434... \n" ); document.write( "--- \n" ); document.write( "x = 0.3434343434343434343434... \n" ); document.write( "100x=34.34343434343434343434... \n" ); document.write( "- x = 0.3434343434343434343434... \n" ); document.write( "--------------------------------------- \n" ); document.write( "99x= 34 \n" ); document.write( "x = 34/99 \n" ); document.write( "---------------- \n" ); document.write( "b)2.457777777777777777777777... \n" ); document.write( "--- \n" ); document.write( "x = 2.457777777777777777777777... = 2.45 + 0.00777777777777... \n" ); document.write( "y = 0.00777777777777... \n" ); document.write( "10y =0.0777777777777... \n" ); document.write( "-y = 0.00777777777777... \n" ); document.write( "--------------------------- \n" ); document.write( "9y = 0.07 \n" ); document.write( "y = 0.07/9 = 7/900 \n" ); document.write( "2.457777777777777777777777... = 2.45 + 7/900 = 2 + 405/900 + 7/900 = 2212/900 \n" ); document.write( "= 553/225 \n" ); document.write( " |