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# PMa 12 What is a Logarithm?

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### PMa 12 What is a Logarithm?

1. 1. What is a Logarithm? C. Hunter Principles of Math 12
2. 2. www.brainybetty.com What is the relationship between the three numbers?
3. 3. www.brainybetty.com If log a b = c , then what is the relationship between the variables? base exponent
4. 4. www.brainybetty.com log base answer = exponent log bacon and = eggs
5. 5. www.brainybetty.com Evaluate and explain. 1. 2. 3. 4. 5. 6. 7.
6. 6. www.brainybetty.com Solve. 1. Exponential form
7. 7. www.brainybetty.com 2. Exponential form
8. 8. www.brainybetty.com 3. Bacon and Eggs
9. 9. www.brainybetty.com Exponential & Logarithmic Functions
10. 10. www.brainybetty.com The Richter Scale is a base 10 logarithmic scale.
11. 11. www.brainybetty.com An earthquake in Seattle measured 5.4. An earthquake in Vancouver measured 3.2. How many times as intense was the earthquake in Seattle as the one in Vancouver?
12. 12. www.brainybetty.com