Verified answer

Объяснение:

(3m⁶n⁹)⁴•(1/81m⁹n)=3⁴m²⁴n³⁶•1/81m⁹n=

=81•1/81•m³³n³⁷=m³³n³⁷

(-1/2ab⁴)³•(4a⁶)²= -1/8a³b¹²•16a¹²=

= -2b¹²a¹⁵

Объяснение:

(3m⁶n⁹)⁴ * 1/81m⁹n =

3⁴ * (m⁶)⁴ * (n⁹)⁴ * 1/81 * m⁹ * n =

81 * m²⁴ * n³⁶ * 1/81 * m⁹ * n =

(81 * 1/81) * (m²⁴ * m⁹) * (n³⁶ * n) =

81/81 * m³³ * n³⁷ = 1m³³n³⁷ = m³³n³⁷

(-1/2ab⁴)³ * (4a⁶)² =

(-1/2)³ * a³ * (b⁴)³ * 4² * (a⁶)² =

-1/8 * a³ * b¹² * 16 * a¹² =

(-1/8 * 16) * (a³ * a¹²) * b¹² =

-16/8 * a¹⁵ * b¹² = -2a¹⁵b¹²