а)

(1,5a⁻²b)(4a³b⁻⁴) = 6ab⁻³

б)

(49x⁵y⁻¹) : (0,7x³y⁻²) = 70x²y

в)

(0,2cd⁻³)⁻² = (5c⁻¹d³)² = 25c⁻²d⁶

г)

(8p⁻³k² * 0,5pk⁻²)⁻³ = (4p⁻²)⁻³ = (0,25p²)³ = 1/64 * p⁶ = 2⁻⁶p⁶