Question

x=[(5-8)*(3-4)] elevado a (3-4) sobre ∛(15-7)²?

Answer 1

$x=\frac{(\frac{5}{8}.\frac{3}{4})^{\frac{3}{4}}}{(\sqrt{\frac{15}{7}})^2}=\frac{(\frac{15}{32})^\frac{3}{4}}{\frac{15}{7}}=\frac{7}{8.2^{\frac{3}{4}} \sqrt[4]{15} }$

Answer 2

$\frac{[(-3)*(-1)]^{-1}}{ \sqrt[3]{64} } = \frac{ \frac{1}{3} }{ \sqrt[3]{64} } = \boxed{\frac{1}{3 \sqrt[3]{64}}}$

Espero ter ajudado. :))