Solve. $$4 \ln x = -16$$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. $$x =$$ (Type an integer or a decimal. Round to the nearest thousandth. Use a comma to separate answers.) B. The solution is not a real number.
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Step 2: Divide both sides by 4: $$\frac{4 \ln x}{4} = \frac{-16}{4}$$ $$\ln x = -4$$ Step 3: To solve for x, convert the logarithmic equation to an exponential equation. Recall that $$\ln x = y$$ is equivalent to $$x = e^y$$. So, $$x = e^{-4}$$ Show more…
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