document.write( "Question 433021: Solve the equation. Use the change of base formla to approximate exact answers to the nearest hundredth when appropriate.
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Algebra.Com's Answer #300132 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( " e^(-x)= 1/2 = ln(.5) = -x
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document.write( "               -.69 = -x
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document.write( "                 .69 = x \n" );
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