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[tex] \begin{aligned} {2}^{ - 3} \times {8}^{ - 2} &= \frac{1}{2 {}^{3} } \times \frac{1}{8 {}^{2} } \\ & = \frac{1}{2 {}^{3} } \times \frac{1}{(2 {}^{3}) {}^{2} } \\ & = \frac{1}{2 {}^{3} } \times \frac{1}{2 {}^{6} } \\ &= \frac{1}{2 {}^{9} } \end{aligned}[/tex]
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[tex] \begin{aligned} {2}^{ - 3} \times {8}^{ - 2} &= \frac{1}{2 {}^{3} } \times \frac{1}{8 {}^{2} } \\ & = \frac{1}{2 {}^{3} } \times \frac{1}{(2 {}^{3}) {}^{2} } \\ & = \frac{1}{2 {}^{3} } \times \frac{1}{2 {}^{6} } \\ &= \frac{1}{2 {}^{9} } \end{aligned}[/tex]
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