Question

Calcule a potência:

Answer 1

$\large{ \blue{{\left ( \frac{2}{7} \right )^{ - 3} }}} = \large \boxed{ \red{{ \frac{343}{8} }}}$

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Explicação passo-a-passo :

$\large{ {{\left ( \frac{2}{7} \right )^{ - 3} }}} =$

$\large{ {{\left ( \frac{7}{2} \right )^{ 3} }}} =$

$\large{ \frac{7 {}^{3} }{2 {}^{3} } } =$

$\large \boxed{ \red{{ \frac{343}{8} }}}$

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Att, IzabelaCristina2006 ❤️ ♈