Question

calcule

pois preciso das respostas para um trabalho.

Answer 1

a) (-2/7)^-2=
(-7/2)^2=
(7/2)^2=
7^2/2^2=
49/4

b)(-1/3)^2=
(1/3)^2=
1^2/3^2=
1/9

c)(-10/13)^13=
-(10/13)^13=
-10^3/13^3=
-1.000/2.197