document.write( "Question 658274: log(e^2^(x+2))=2\r
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document.write( "The question is what is x closest too \n" );
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Algebra.Com's Answer #410246 by lwsshak3(11628) ![]() You can put this solution on YOUR website! log(e^2^(x+2))=2 \n" ); document.write( "The question is what is x closest too \n" ); document.write( "** \n" ); document.write( "log(100)=2 \n" ); document.write( "log(e^2^(x+2))=log(100) \n" ); document.write( "(e^2^(x+2)=100 \n" ); document.write( "take log of both sides \n" ); document.write( "(2^(x+2)lne=ln100 \n" ); document.write( "lne=1 \n" ); document.write( "2^(x+2)=ln100 \n" ); document.write( "take log of both sides again \n" ); document.write( "(x+2)log2=log(ln100) \n" ); document.write( "x+2=log(ln100)/log2≈2.2033 \n" ); document.write( "x≈2.2033-2 \n" ); document.write( "x≈.2033 \n" ); document.write( "check: \n" ); document.write( "2^(x+2)=2^(2.2033)=4.6053 \n" ); document.write( "e^4.6053≈100 \n" ); document.write( "log(e^2^(x+2))=log100=2 \n" ); document.write( " |