Question

Calcule as potências ( se puder explicar como fez):

a)
$( - 1 \times \frac{2}{3} ) {}^{2}$
b)
$- ( \frac{ - 7}{6}) {}^{3}$
c)
$- ( \frac{ - 29}{63} ) {}^{1}$
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Answer 1

Resposta:

a) 4/9

b) 343/-216

c) 29/-63

Answer 2

A)4/9
B)343/-216
C)29/-63