Question

Calcule as potencia!
A (3/7)‐² =
B (2/5)-¹ =
C (1/3)-³ =
D (‐5/4)‐³ =
E (1/3)-² =
F (-2/5)-³ =

Answer 1

Resposta:

Explicação passo a passo:

(3/7)^-2=

7/3^2=

49/9

(2/5)^-1=

5/2^1=

5/2

(1/3)^-3=

3^3=

27

(-5/4)^-3=

(-4/5)^3=

-64/125

(1/3)^-2=

3^2=

9

(-2/5)^-3=

(-5/2)^3=

-125/8