Answer the 7th question. "NO LINKS"

Dear Student,

$$\begin{gathered} {\log }_{10}x=a and {\log }_{10}y=b \\ \Rightarrow x={10}^a and y={10}^b \\ \Rightarrow xy={10}^a{10}^b={10}^{a+b} \end{gathered}$$

Hope this information will clear your doubts about topic.

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