Ответ:

Пошаговое объяснение:

6)

(-3x⁴y)³:((1/3)*x⁸y⁶)²=-3³*x⁴*³*y³/((1/3)²*x⁽⁸*²⁾y⁽⁶*²⁾)=-27*9*x⁽¹²⁻¹⁶⁾*y⁽³⁻¹²⁾=

=-243*x⁻⁴*y⁻⁹=-243/(x⁴y⁹).

7)

((1/2)*x²*y³)³*(1/(x²*y⁴))²=(1/2)³*x²*³*y³*³*(1²/(x²*²*y⁴*²))=(1/8)*x⁶*y⁹*(1/x⁴*y⁸)=

=(x⁶*y⁹/(8*x⁴*y⁸)=x⁽⁶⁻⁴⁾*y⁽⁹⁻⁸⁾/8=x²y/8.

Verified answer

Ответ:

Пошаговое объяснение:

6) (-3x^4y)^3/(1/3x^8y^6)^2=

=(-27x^12y^3)/(1/9x^16y^12)=

=-243x^-4y^-9

7)(1/2x^2y^3)^3×(1/x^2y^4)^2=

(1/8x^6y^9)×(1/x^4y^8)=