Respuesta :

(1) Solve;

[tex]\begin{gathered} \frac{10^{-7}}{10^{-5}}=10^{(-7-\lbrack-5\rbrack)} \\ =10^{(-7+5)} \\ =10^{-2} \end{gathered}[/tex]

(2) Solve;

[tex]\begin{gathered} (10^{-6^{}})^7 \\ =10^{(-6\times7)} \\ =10^{-42} \end{gathered}[/tex]

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