Ребят помогите срочно!!!

Question

Ребят помогите срочно!!!

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Answer 1

Объяснение:

1.

а)

3⁻⁷ * 3⁵ = 3⁻⁷⁺⁵ = 3⁻² = 1/3² = 1/9,

б)

(2/3)⁷ : (2/3)¹⁰ = (2/3)⁷⁻¹⁰ = (2/3)⁻³ = (3/2)³ = 27/8 = 3 3/8  (или  3,375),

в)

3⁻⁶ * (3⁻³)⁻³ = 3⁻⁶ * 3⁹ = 3⁻⁶⁺⁹ = 3³ = 27,

г)

(1 1/6)⁻² = (7/6)⁻² = (6/7)² = 36/49