a) x⁵ ⋅ (x²)³ = x⁵ ⋅ x⁶ = x¹¹
б) (x³)^4 ⋅ x⁸ = x¹² ⋅ x⁸ = x²⁰
в) (x⁴)² ⋅ (x⁵)³ = x⁸ ⋅ x¹⁵ = x²³
г) (x²)³ ⋅ (x³)⁵ = x⁶ ⋅ x¹⁵ = x²¹
д) (x³)² ⋅ (x⁴)⁵ = x⁶ ⋅ x²⁰ = x²⁶
e) (x⁷)³ ⋅ (x³)⁴ = x²¹ ⋅ x¹² = x³³
Ответ: a) x¹¹ б) x²⁰ в) x²³ г) x²¹ д) x²⁶ e) x³³