Question

Evaluate
$\sqrt[3]{(343) { }^{ - 2} }$

Answer 1

...............,.................

Answer 2

$\sqrt[3]{ {343}^{ - 2} } = {7}^{ - 2}$
${7}^{ - 2} = \frac{1}{ {7}^{2} } = \frac{1}{49}$