5/
a) [(0.3)²]³ = (0.3)²°³ = (0.3)⁶
b)[(0.5)³]² = (0.5)⁶ (se inmultesc puterile ca in primul caz)
c)[(0.2)²]⁶ = (0.2)¹²
d)[(0.4)²]³ = (0.4)⁶
e)[(0.8)⁴]⁵ = (0.8)²⁰
