SOLUTION: when I entered this into my calculator it said error ln x = -1.384 rounded to 3 significant digits.

Question 111755: when I entered this into my calculator it said error
ln x = -1.384 rounded to 3 significant digits.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You probably entered which is undefined. Remember can be written as . Now if x=-1.384, then

Now what number will make e (which is 2.78) go to -1.384? It turns out this is not possible, so there is no such number that will satisfy this equation. So at that point, the equation is undefined.

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However, if we try to solve ln x = -1.384 (which is not what you typed in), then we can say

So which is approximate of course
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