Resposta:
[tex]=4.[/tex]
Explicação passo a passo:
[tex][(-2)^{\frac{5}{2} }]^{\frac{20}{25}} \\\\\ =(-2)^{\frac{5}{2} \ . \ \frac{20}{25} }\\\\=(-2)^2\\\\=2^2\\\\=4[/tex]
