document.write( "Question 1189149: If log81^x=-3/4 then x=? \n" ); document.write( "
Algebra.Com's Answer #820402 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! If log81^x=-3/4 then x=? \n" ); document.write( "--------------- \n" ); document.write( "If you mean common logs, base 10: \n" ); document.write( "log(81^x) = -3/4 \n" ); document.write( "x*log(81) = -3/4 \n" ); document.write( " \n" ); document.write( "x =~ -0.39298 \n" ); document.write( " |