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Description The Definition of Common Logarithm Rule states that: \({b}^{a}=x\) if and only if \(log_b(x)=a\) |
Examples \[{3}^{y}=7\] 1 Use Definition of Common Logarithm: \({b}^{a}=x\) if and only if \(log_b(x)=a\). \[y=\log_{3}{7}\] 2 Use Change of Base Rule: \(\log_{b}{x}=\frac{\log_{a}{x}}{\log_{a}{b}}\). \[y=\frac{\log{7}}{\log{3}}\] Done ![]() Decimal Form: 1.771244 |