Use the form below to do your conversion.
Solution
Step1
Log99721=Log(9721) ÷ Log(9)
Log(9721)= 3.9877109431303
Log(9)=0.95424250943932
Log99721=3.9877109431303 ÷ 0.95424250943932
Ans=4.1789282113132
Step2
Alternatively, the logarithm can be calculated like this.