Use the form below to do your conversion.
Solution
Step1
Log209925=Log(9925) ÷ Log(20)
Log(9925)= 3.9967305154352
Log(20)=1.301029995664
Log209925=3.9967305154352 ÷ 1.301029995664
Ans=3.0719741502927
Step2
Alternatively, the logarithm can be calculated like this.