Use the form below to do your conversion.
Solution
Step1
Log78105=Log(8105) ÷ Log(7)
Log(8105)= 3.9087530191845
Log(7)=0.84509804001426
Log78105=3.9087530191845 ÷ 0.84509804001426
Ans=4.6252065844557
Step2
Alternatively, the logarithm can be calculated like this.