a) ( + 3x²)² = ______________________
b) (-8x⁴)² =________________________
c) (2x⁵)³ =_________________________
d) (3y²)³ =__________________________
e) (-y²)⁴ =___________
f) (-mn)⁴ =___________
g) (2xy²)⁴ = ______________________
h) (-4x²b)² =______________________
i) (-3y²)³ =_______________________
j) (-6m³)² =_______________________
k) (-3x³y⁴)⁴ =______________________
l) (-2x²m³)³ =______________________