document.write( "Question 728531: I must evaluate log3 81\r
\n" ); document.write( "\n" ); document.write( "(The 3 is below the log)\r
\n" ); document.write( "\n" ); document.write( "Thank!
\n" ); document.write( "

Algebra.Com's Answer #445479 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Log to the base 3 which gives you 81
\n" ); document.write( "You need the log, which is the exponent
\n" ); document.write( "Raise the base to the unknown exponent
\n" ); document.write( "\"+3%5Ex+\"
\n" ); document.write( "This gives you \"+81+\", so
\n" ); document.write( "\"+3%5Ex+=+81+\"
\n" ); document.write( "\"+3%5Ex+=+3%5E4+\"
\n" ); document.write( "\"+x+=+4+\"
\n" ); document.write( "
\n" ); document.write( "
\n" );