Question

menos $\frac{2}{3}$ elevado a -3

Answer 1

-(2/3)-³ = -(3/2)³ = -3³/2³ = -27/8 ✓

Answer 2

$- ( { \frac{2}{3}) }^{ - 3} = { \frac{3}{2} }^{3} = \frac{3}{2} \times \frac{3}{2} \times \frac{3}{2} = \frac{27}{8}$