SOLUTION: One of my questions from my homework in MHF4U is as followed: A small town records a small earthquake of magnitude 3.2. One year later, the same town records another earthquake

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: One of my questions from my homework in MHF4U is as followed: A small town records a small earthquake of magnitude 3.2. One year later, the same town records another earthquake      Log On


   



Question 1137162: One of my questions from my homework in MHF4U is as followed:
A small town records a small earthquake of magnitude 3.2. One year later, the same town records another earthquake of magnitude 4.1. How much more intense was the second earthquake than the first?
Any walkthroughs or tips would be GREATLY appreciated, thank you so much!!

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

R=log%28A%29%2BB
4.1=log%28A%5B2%5D%29%2BB
3.2=log%28A%5B1%5D%29%2BB
log%28A%5B2%5D%29%2BB-log%28A%5B1%5D%29-B=4.1-3.2
log%28A%5B2%5D%29-log%28A%5B1%5D%29=0.9
log%28A%5B2%5D%2FA%5B1%5D%29=0.9
A%5B2%5D%2FA%5B1%5D=10%5E0.9
A%5B2%5D%2FA%5B1%5D=7.94328=>7.94328 times more intense