Ответ:
[tex] {4}^{ -\frac {2}{3} } = \sqrt[3]{ {4}^{ - 2} } = \sqrt[3]{ \frac{1}{ {4}^{2} } } = \frac{1}{ \sqrt[3]{ {4}^{2} } } [/tex]
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Ответ:
[tex] {4}^{ -\frac {2}{3} } = \sqrt[3]{ {4}^{ - 2} } = \sqrt[3]{ \frac{1}{ {4}^{2} } } = \frac{1}{ \sqrt[3]{ {4}^{2} } } [/tex]