If I have this:
log(x) = -3.87
and I want to find x, do I assume that this a natural logarithm, or a base 10?
In other words, does x = 10^-3.87 or x = e^(-3.87) ????
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I would assume base 10 should be written for base e.
Although you can never be 100% sure, ask your teacher
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