Use the form below to do your conversion.
Solution
Step1
Log287115=Log(7115) ÷ Log(28)
Log(7115)= 3.8521749044203
Log(28)=1.4471580313422
Log287115=3.8521749044203 ÷ 1.4471580313422
Ans=2.6618895939426
Step2
Alternatively, the logarithm can be calculated like this.