Use the form below to do your conversion.
Solution
Step1
Log217103=Log(7103) ÷ Log(21)
Log(7103)= 3.8514418146721
Log(21)=1.3222192947339
Log217103=3.8514418146721 ÷ 1.3222192947339
Ans=2.9128616032238
Step2
Alternatively, the logarithm can be calculated like this.