Use the form below to do your conversion.
Solution
Step1
Log257021=Log(7021) ÷ Log(25)
Log(7021)= 3.8463989730347
Log(25)=1.397940008672
Log257021=3.8463989730347 ÷ 1.397940008672
Ans=2.7514764218591
Step2
Alternatively, the logarithm can be calculated like this.