Question 602500
log6 216 = log(216)/log(6) = log(6^3)/log(6) = 3*log(6)/log(6) = 3



So <img src="http://latex.codecogs.com/gif.latex?\Large \log_{6}(216) = {\color{red} 3} " title="x" />


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log2 512 = log(512)/log(2) = log(2^9)/log(2) = 9*log(2)/log(2) = 9



So <img src="http://latex.codecogs.com/gif.latex?\Large \log_{2}(512) = {\color{red} 9} " title="x" />