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Mathematics 23 Online
OpenStudy (anonymous):

Help please! (Like an example of how I would go about this) Write the expression as a single logarithm. log340-log310 (I'll rewrite this in comments)

OpenStudy (anonymous):

\[\log_{3} 40-\log_{3} 10\]

OpenStudy (asnaseer):

Use the log rule:\[\log_bx-\log_by=\log_b\frac{x}{y}\]

OpenStudy (asnaseer):

You may find this site useful: http://www.purplemath.com/modules/logrules.htm

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