Use the form below to do your conversion.
Solution
Step1
Log78021=Log(8021) ÷ Log(7)
Log(8021)= 3.9042285163401
Log(7)=0.84509804001426
Log78021=3.9042285163401 ÷ 0.84509804001426
Ans=4.6198527643896
Step2
Alternatively, the logarithm can be calculated like this.