Ответ:

номер 2

1) 2‐³

2)3 ³

3)12 ⁷ или 12 -¹

4)а-⁴²

1) a³*a¹¹ = a¹⁴

2) x⁻¹²*x⁵ = x⁻⁷

3) t⁻⁹*t = t⁻⁸

4) y⁸*y⁻⁸ = y⁰ = 1

5) m⁷/m³ = m⁴

6) n⁻¹⁰/n⁻⁴ = n⁻⁶

7) (s²)⁵ = s¹⁰

8) (x⁻²)⁸ = x⁻¹⁶

9) (k⁻⁴)⁻⁶ = k²⁴

10) (x⁴y)⁻⁶=x⁻²⁴y⁻⁶

11) (a⁻³/b)⁻² = a⁶/b⁻²

1) 2³/2⁶ = 2⁻³=1/2³=1/8

2) (3⁻¹)⁻³ = 3³=27

3) 12⁻³/12⁻⁴ = 12¹ = 12

4) (a⁻⁵)⁴ * a²² = a⁻²⁰ * a²² = a²