Evaluate the improper integral or state that it is divergent

${\displaystyle \underset{-}{\overset{}{}}}{x}^7{e}^{-x^8}dx$

$$

$0$

$\frac{1}{8}$

$-\frac{1}{4}$

$$ Divergent

Question $3($Mandatory$)(1$ point$)$

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Evaluate the improper integral.

${\displaystyle \underset{-s}{\overset{1}{}}}\frac{dx}{x^{\frac{2}{3}}}$