Use the form below to do your conversion.
Solution
Step1
Log78705=Log(8705) ÷ Log(7)
Log(8705)= 3.9397687754533
Log(7)=0.84509804001426
Log78705=3.9397687754533 ÷ 0.84509804001426
Ans=4.6619073633006
Step2
Alternatively, the logarithm can be calculated like this.