document.write( "Question 422589: Evaluate logarithms:\r
\n" ); document.write( "\n" ); document.write( "log[8](1/8)\r
\n" ); document.write( "\n" ); document.write( "log[8](8)
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Algebra.Com's Answer #295019 by jsmallt9(3758)\"\" \"About 
You can put this solution on YOUR website!
These problems are easy if you understand what logarithms are and have a basic understanding of exponents.

\n" ); document.write( "Logarithms are exponents. The expression:
\n" ); document.write( "\"log%28a%2C+%28b%29%29\"
\n" ); document.write( "represents the exponent for a that results in b. In other words, it represents the power of a that results in b.

\n" ); document.write( "So
\n" ); document.write( "\"log%288%2C+%281%2F8%29%29\"
\n" ); document.write( "represents the power of 8 that results in 1/8. So what power of 8 is 1/8? Answer: -1. (If this is not clear to you, then review what an exponent of -1 means.) So
\n" ); document.write( "\"log%288%2C+%281%2F8%29%29+=+-1\"

\n" ); document.write( "Your second expression
\n" ); document.write( "\"log%288%2C+%288%29%29\"
\n" ); document.write( "is even easier. What power of 8 is 8? Answer: 1! So
\n" ); document.write( "\"log%288%2C+%288%29%29+=+1\"
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