Use the form below to do your conversion.
Solution
Step1
Log204015=Log(4015) ÷ Log(20)
Log(4015)= 3.6036855496147
Log(20)=1.301029995664
Log204015=3.6036855496147 ÷ 1.301029995664
Ans=2.7698712263552
Step2
Alternatively, the logarithm can be calculated like this.