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OpenStudy (anonymous):
does anyone know how to type this function in the calculator?
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OpenStudy (anonymous):
\[\log _{4}81?\]
OpenStudy (anonymous):
base 4?
OpenStudy (anonymous):
Since calculators only have ln and log (base 10), use the change of base formula:\[\log_4 81=\frac{\ln 81}{\ln 4}\]
OpenStudy (anonymous):
thanks..
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