SOLUTION: Solve the following equation. Write your answer in simplest form.
lnx=-10.
Quick question from student: Is the answer e^-10=x? I thought that x cannot be negative though. Please
Algebra.Com
Question 685422: Solve the following equation. Write your answer in simplest form.
lnx=-10.
Quick question from student: Is the answer e^-10=x? I thought that x cannot be negative though. Please clarify when natural logs cannot be negative.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
lnx=-10.
Quick question from student: Is the answer e^-10=x? I thought that x cannot be negative though. Please clarify when natural logs cannot be negative.
------------------
Note: logs CAN be negative. Remember, "logs" is just another name for
exponents, and exponents can be negative.
----
It is the base and the inverse log that cannot be negative.
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Your problem:
x = e^(-10)
---
x = 2.718281828459045..^-10
--
x = 0.0000454..
===========================
Cheers,
Stan H.
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