document.write( "Question 498524: exact value of log4 120 − log4 48 − log4 40 \n" ); document.write( "

Algebra.Com's Answer #337166 by lwsshak3(11628) $\"\"$ $\"About$

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exact value of log4 120 − log4 48 − log4 40
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\n" ); document.write( "log4 120 − log4 48 − log4 40
\n" ); document.write( "log4 120 -(log 4 48 + log4 40)
\n" ); document.write( "place under a single log
\n" ); document.write( "log4[120/48*40]
\n" ); document.write( "log4[1/16]=log4[1/4^2]=4^-2
\n" ); document.write( "Definition: base(4) raised to log of number(x)=number(4^-2)
\n" ); document.write( "4^x=4^-2
\n" ); document.write( "x=-2 \n" ); document.write( "

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