Question 595231
<img src="http://latex.codecogs.com/gif.latex?\Large \log_{5}(510) = \frac{\log_{10}(510)}{\log_{10}(5)} \approx 3.8737" title="x" />


So <img src="http://latex.codecogs.com/gif.latex?\Large \log_{5}(510) \approx 3.8737" title="x" />