document.write( "Question 413834: Express as a logarithm of a single number or expression : log10x-4log10y \n" ); document.write( "
Algebra.Com's Answer #290318 by rfadrogane(214)\"\" \"About 
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Express as a logarithm of a single number or expression : log10x-4log10y.
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\n" ); document.write( "=log10(x/y^4)---answer
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