Use the form below to do your conversion.
Solution
Step1
Log89985=Log(9985) ÷ Log(8)
Log(9985)= 3.9993480692067
Log(8)=0.90308998699194
Log89985=3.9993480692067 ÷ 0.90308998699194
Ans=4.4285155707771
Step2
Alternatively, the logarithm can be calculated like this.