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Thursday, October 24, 2013

SV #3: Unit H Concept 7 - Finding Logs Given Approximation



This problem is about finding logs given approximations, which incorporated previous concepts learned, such as product, quotient, and power laws. It covers how to take our "clues" and multiply or divide them to equate them to our solution. We substitute the logs for the given values.

One thing to pay special attention to is recognizing that because there is a denominator, the log values will be subtracted. The viewer also needs attention themselves to expanding the clues using the properties of logs. If the log has an exponent, they need to use the power property, which then gives a coefficient to the log value. This means bringing the exponent to the front of the log. It is also important to recognize that you need to substitute in the values given after you have completely expanded your log.

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