Answer:
1. (x-5)³
= -(x⁵)³
= -x¹⁵
2. (29a³/3b²)²
= (9a³/b²)²
=81a⁶/b⁴
3.(5a⁴b²c³)³
=5³x(a⁴)x(b²)³x(c)³
=125a¹² b⁶ c⁹
5.(x³yz²/2m²n²) (3m²n³/x²y²)³
=x³yz²/2m²n² 27m⁶n⁹/x⁶y⁶
=z²/2 27m⁴n⁷/x³y⁵
= 27m⁴n⁷z²/2x³y⁵
4. idunno surri
