Question

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Answer 1

Step-by-step explanation:

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Answer 2

$\sqrt[3]{392} \times \sqrt[3]{448 } \\ = \sqrt[3]{392 \times 448} \\ = 56$

$\sqrt[3]{ \sqrt{0.000729} } + \sqrt[3]{0.008} \\ = \sqrt[3]{0.027 } + \sqrt[3]{0.008 } \\ = 0.3 + 0.2 \\ = 0.5$

$\sqrt{162 + \sqrt{38 + \sqrt{121} } } \\ = \sqrt{162 + \sqrt{38 + 11 } } \\ = \sqrt{162 + \sqrt{49} } \\ = \sqrt{162 + 7} \\ = \sqrt{169} \\ = 13$

$\sqrt{5} = 2.236$

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