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Mathematics

Evaluate the following:

log(10÷103)(10 ÷ \sqrt[3]{10})

Logarithms

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Answer

Given,

log(10÷103)log(10103)log(101013)log(10)113log(10)2323log 1023.\Rightarrow \text{log}(10 ÷ \sqrt[3]{10}) \\[1em] \Rightarrow \text{log}\Big(\dfrac{10}{\sqrt[3]{10}}\Big) \\[1em] \Rightarrow \text{log}\Big(\dfrac{10}{10^{\dfrac{1}{3}}}\Big) \\[1em] \Rightarrow \text{log}(10)^{1 - \dfrac{1}{3}} \\[1em] \Rightarrow \text{log}(10)^{\dfrac{2}{3}} \\[1em] \Rightarrow \dfrac{2}{3}\text{log 10} \\[1em] \Rightarrow \dfrac{2}{3}.

Hence, log(10÷103)=23\text{log}(10 ÷ \sqrt[3]{10}) = \dfrac{2}{3}.

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