1)
2) (3³)² = 3⁶ = 729
3) 0,5² * 2¹² = (1/2)² * 2¹² = (2⁻¹)² * 2¹² = 2⁻² * 2¹² = 2⁻²⁺¹² = 2¹⁰ = 1024
4) (3⁴)⁵ : 3¹⁹ = 3²⁰ : 3¹⁹ = 3²⁰⁻¹⁹ = 3¹ = 3
