document.write( "Question 422152: How do you evaluate log base 3(1/81) ? \n" ); document.write( "
Algebra.Com's Answer #294677 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "in log base 3(1/81)\r
\n" ); document.write( "\n" ); document.write( "what should be the power of base(3) so that answer is (1/81)\r
\n" ); document.write( "\n" ); document.write( "can also be written as \"3%5Ex=1%2F81\"\r
\n" ); document.write( "\n" ); document.write( "since \"81=3%5E4\" ...=>...\"1%2F81+=+81%5E-1+=+%283%5E4%29%5E-1+=+3%5E-4\"\r
\n" ); document.write( "\n" ); document.write( "so \"x\" should be \"-4\"\r
\n" ); document.write( "\n" ); document.write( "\"log_base_+3%281%2F81%29=-4+\"\r
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\n" ); document.write( "\n" ); document.write( "can also be written as \"3%5E%28-4%29=1%2F81\"\r
\n" ); document.write( "\n" ); document.write( "Answer is (-4)\r
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