Verified answer

[tex]a) \: \: \: \: \: {a}^{4} \times {a}^{7} \times {a}^{11} = {a}^{11} \times {a}^{11} = {a}^{22} [/tex]

[tex]б) \: \: \: \: \: ( { - x)}^{3} \times ( { - x)}^{25} = {( - x)}^{28} = {x}^{28} [/tex]

[tex]в) \: \: \: \: \: ( {c}^{15} \times {c}^{4} ) \times { {(c}^{2}) }^{3} = {c}^{19} \times {c}^{6} = {c}^{25} [/tex]

[tex]г) \: \: \: \: \: ( {y}^{9} \div {y}^{4} ) \times y = {y}^{5} \times y = {y}^{6} [/tex]

Ответ:

Пошаговое объяснение:

1) a⁴ * a⁷ * a¹¹ = a ²²

2) (-x)³ * (-x)²⁵ = x²⁸

3) (c¹⁵ * c⁴) * (c²)³ = c¹⁹ * c⁶ = c²⁵

4) (y⁹ : y⁴) * y = y⁵ * y = y⁶