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Find the exact solution and a two-decimal-place approximation exponential equation and special change of base formula: (1/3)^x = 100
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Natural log both sides
or log base ten both sides...
\[\ln(\frac{1}{3})^{x}=\ln(100)\]
\[xln(1/3)=\ln100\] \[x=\frac{\ln100}{\ln(1/3)}\]
thank you.
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yw
Thank you also, dpalnc.
yw
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