document.write( "Question 557780: Hey,\r
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document.write( "I'd be very, very grateful if you could solve the following for me:\r
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document.write( "5/10^(2x)=7\r
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document.write( "Thank you so much. :) \n" );
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Algebra.Com's Answer #362767 by lwsshak3(11628) ![]() You can put this solution on YOUR website! I'd be very, very grateful if you could solve the following for me: \n" ); document.write( "5/[10^(2x)]=7 \n" ); document.write( "10^(2x)=5/7 \n" ); document.write( "take log of both sides \n" ); document.write( "(2x)log10=log5-log7 \n" ); document.write( "2x=log5-log7 \n" ); document.write( "x=(log5-log7)/2≈-0.0731 \n" ); document.write( " |