what exactly *is* a logarithm and what does it do?

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I mean, I’ve used them in algebra many times but I never really understood what it does. Kinda like in biostatistics how I could do the math, but how it worked was beyond me entirely.

So yeah: like what’s this sorcery and what does it do/why do we use it?

In: Mathematics

26 Answers

Anonymous 0 Comments

Division is the opposite of multiplication. The result of a/b is “the number that you multiply by b to get a”.  If a/b = c, then b * c = a 

Logarithms are the same things for exponents. Log_b(a) is “the power that you raise b to in order to equal a”. If log_b(a) = c, then b^c = a 

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