Question

calcule as potências

(-⅔)³

-(⅖)³​

Answer 1

(-⅔)³

$- \frac{8}{27}$

-(⅖)³

$- \frac{8}{125}$

Espero ter ajudado!!!

Answer 2

Resposta:

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

$b)-(\frac{2}{5} )^{3} =-\frac{2^{3} }{5^{3} } =-\frac{8}{125}$