Use the form below to do your conversion.
Solution
Step1
Log207021=Log(7021) ÷ Log(20)
Log(7021)= 3.8463989730347
Log(20)=1.301029995664
Log207021=3.8463989730347 ÷ 1.301029995664
Ans=2.9564260515544
Step2
Alternatively, the logarithm can be calculated like this.