Use the form below to do your conversion.
Solution
Step1
Log72105=Log(2105) ÷ Log(7)
Log(2105)= 3.3232521001717
Log(7)=0.84509804001426
Log72105=3.3232521001717 ÷ 0.84509804001426
Ans=3.9323864721253
Step2
Alternatively, the logarithm can be calculated like this.