SOLUTION: What is the exact value of log2 1/8 How do I arrive at the final solution?

Question 86964: What is the exact value of log2 1/8
How do I arrive at the final solution?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
a logarithm is an exponent that some base is raised to to get some number

in this case where x is the logarithm

since 8=2^3 ... or (using rules for exponents) ... so x=-3
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