document.write( "Question 930369: 7(log81 9)(log2 80 - log2 5)\r
\n" ); document.write( "\n" ); document.write( "I am having trouble with the steps to answer how to evaluate this logarithmic expression. I know that log 2 can be combined to log2 80/5 but I'm lost after that.
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Algebra.Com's Answer #564966 by MathTherapy(10553)\"\" \"About 
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\n" ); document.write( "7(log81 9)(log2 80 - log2 5)\r
\n" ); document.write( "\n" ); document.write( "I am having trouble with the steps to answer how to evaluate this logarithmic expression. I know that log 2 can be combined to log2 80/5 but I'm lost after that.
\n" ); document.write( "

\n" ); document.write( "\"7%28log+%2881%2C+9%29%29%28log+%282%2C+80%29+-+log+%282%2C+5%29%29\"
\n" ); document.write( "\"7%28log+%2881%2C+9%29%29%28log+%282%2C+80%2F5%29%29\"
\n" ); document.write( "\"7%28log+%2881%2C+9%29%29%28log+%282%2C+16%29%29\"
\n" ); document.write( "Since \"81%5E%281%2F2%29+=+9\", and \"2%5E4+=+16\", then:
\n" ); document.write( "\"7%28log+%2881%2C+9%29%29%28log+%282%2C+16%29%29\" becomes: \"7%281%2F2%29%284%29\", or \"highlight_green%2814%29\" \n" ); document.write( "
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