Use the form below to do your conversion.
Solution
Step1
Log78987=Log(8987) ÷ Log(7)
Log(8987)= 3.9536147416906
Log(7)=0.84509804001426
Log78987=3.9536147416906 ÷ 0.84509804001426
Ans=4.6782912212457
Step2
Alternatively, the logarithm can be calculated like this.