№2.
(a²b³c²)⁴ * (a³b)³ = a⁸b¹²c⁸ * a⁹b³ = a⁸⁺⁹⁻² b¹²⁺³⁻⁴ c⁸⁻⁸ =a¹⁵ b¹¹
(ab²c⁴)² a²b⁴c⁸
№3.
1) 0,027^(-1/3)=(0.3³)^(-1/3)=0.3⁻¹=(3/10)⁻¹=10/3
2) (-1/6)⁻¹= -6
3) 256^(0.75)=(2⁸)^(3/4)=2⁶
4) 3⁻¹=1/3
5) 5.5⁰=1
0.027^(-1/3) - (-1/6)⁻¹ +256^(0.75) -3⁻¹ +5.5⁰ =
=10/3 - (-6) +2⁶ - (1/3) +1=
=10/3 - 1/3 +6 +1 +2⁶ =
=9/3 +7 +64=74