Question

How to find log of 0.130 using log table?

Answer 1

☆☆your answer is here☆☆


Log Rules: 

1) logb(mn) = logb(m) + logb(n) 

2) logb(m/n) = logb(m) – logb(n) 

3) logb(mn) = n · logb(m) 

Using rule 2: 
log (0.130)/(0.0001)^2 = log (0.130) - log(0.0001)^2 

Using rule 3: 
3) logb(mn) = n · logb(m) 

log (0.130) - log(0.0001)^2 = log (0.130) - 2*log(0.0001) 
Now use your calculator