Use the form below to do your conversion.
Solution
Step1
Log217015=Log(7015) ÷ Log(21)
Log(7015)= 3.8460276753644
Log(21)=1.3222192947339
Log217015=3.8460276753644 ÷ 1.3222192947339
Ans=2.9087668669503
Step2
Alternatively, the logarithm can be calculated like this.