Question

Respondam por favorrr

Answer 1

Resposta:

Explicação passo a passo:

a

(-1)^-3-(-3)^-1=

-1-(-1/3)=

-1+1/3=

-3/3+1/3=

-2/3

b

(2^-4+4^-2)^-1=

(1/2^4+1/4^2)-1=

(1/16+1/16)^-1=

(2/16)^-1=

16/2=

4

c

3^-4-3^-2=

(1/3)^4-(1/3)^2=

1/81-1/9=

1/81-9/81=

-8/81

d

(8^-2.4^3)^-1=

((2^3)^-2.(2^2)^4)^-1=

(2^-6.2^8)^-1=

(2^2)^-1=

2^-2=

(1/2)^2=

1/4