а) \( x^5 \cdot x^3 : x^6 = x^{5+3-6} = x^2 \)
б) \( m^3 \cdot (m^2)^4 = m^3 \cdot m^{2 \cdot 4} = m^3 \cdot m^8 = m^{3+8} = m^{11} \)
в) \( (-2)^2 \cdot (-2)^3 = (-2)^{2+3} = (-2)^5 = -32 \)