Key Terms
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Review
Remember… 


Notes
Common Logarithms  Natural Logarithms 



Logs with Coefficients  



Logs with Coefficients and Additional Terms  

The Earthquake Problem  

An earthquake that measures 3 on the Richter scale has about 537.4 kilowatthours of energy. That’s a little more than 31 times the amount of energy in an earthquake that measures 2 on the Richter scale.
This earthquake has about 29 million times the energy of one that measures 2 on the Richter scale! 
Examples





