1) (2^-4 + 4^-2)^-1(2^-4 + 4^-2)^-1= ((1/2^4) + (1/4^2))^-1= ((1/16) + (1/16))^-1= (2/16)^-1= (1/8)^-1= 8
2) (0.2 + 1)^-1(0.2 + 1)^-1= (1.2)^-1= 1/(1.2)≈ 0.8333333333
1) (2^-4 + 4^-2)^-1
(2^-4 + 4^-2)^-1
= ((1/2^4) + (1/4^2))^-1
= ((1/16) + (1/16))^-1
= (2/16)^-1
= (1/8)^-1
= 8
2) (0.2 + 1)^-1
(0.2 + 1)^-1
= (1.2)^-1
= 1/(1.2)
≈ 0.8333333333