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Challenge 1: Compute log1/4 (32^-18).
The 1/4 is the small number under the log.
10 years ago

Answers

Reiny
let log<sub>1/4</sub> 32^-18 = x

(1/4)^x = 32^-18
(2^-2)^x = (2^5)^-18
2^(-2x) = 2^-90
-2x = -90
x = 45
10 years ago

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