Solve.
$$4 \ln x = -16$$
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. $$x = \Box$$
(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.
Question 11, 2.1.63
HW Score: 81.67%
Points: 0 of 1