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OpenStudy (anonymous):
log3(27)+log3(1/9)?
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OpenStudy (anonymous):
log3(27*1/9)=log3(3)=1
OpenStudy (mathstudent55):
log3(27)+log3(1/9) = log3(3^3) + log3(3^-2) = 3 + (-2 ) = 1
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