1)0,04^(-2) - 0,008^(-1) + 0,08^(-2)-0,2^(-4)=
= 1/0,04^(2) - 1/0.008 + 1/0.08^(2) - 1/0.2^(4)=
= 1/0.016 - 125 + 1/0.0064 - 1/0.0016 = -125 + 156.25=31.25
2)3,6*10^6
------------- * 5*10^4 = 3.6 * 10^6 / (9*10^8) * 5*10^4 =
(3*10^4)^2
= 18*10^10 / (9*10^8) = 2*10^2=200