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Lesson 34: Logarithmic Scales

Topic(s): 
This lesson introduces logarithmic scales as a means for plotting data that might otherwise be difficult plot due to their widely varying values. Instead of plotting the actual values, the values of their logs are plotted on a scale of powers of ten. A discussion follows that highlights an unfamiliar feature for students: equal intervals on the power of ten scale do not correspond to equal values. Various application problems about acidity and ph, decibels, and the Richter Scale follow.
Identifier: 
http://www.curriki.org/xwiki/bin/view/Coll_Group_SanDiegoCommunityCollegesDevelopmentalMathExchange/Lesson34LogarithmicScales_0?bc=;Coll_Group_SanDiegoCommunityCollegesDevelopmentalMathExchange.IntermediateAlgebra;Coll_Group_SanDiegoCommunityCollegesDevel
Rating: 
Average: 2.9 (286 votes)
Creator(s): 
Bruce Yoshiwara (Pierce College) and Kathy Yoshiwara (Pierce College)
Cataloger: 
Bohdan Rhodehamel
Publisher: 
Developmental Mathematics Collection
Rights: 
CC BY-NC-SA

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