Use the form below to do your conversion.
Solution
Step1
Log10991=Log(991) ÷ Log(10)
Log(991)= 2.9960736544853
Log(10)=1
Log10991=2.9960736544853 ÷ 1
Ans=2.9960736544853
Step2
Alternatively, the logarithm can be calculated like this.