Ответ:

13) (2a²)² = 4a⁴

14) (-2a³)³ = -8a⁹

15) (3a⁴)² = 9a⁸

16) (-2a²b)⁴ = 16a⁸b⁴

17) (a²)³ * (a³)⁵= a⁶ * a¹⁵ = a²¹

18) (x²x³)⁴ = (x⁵)⁴ = x²⁰

19) ((c²)⁵ * c³)² = (c¹⁰ * c³)² = (c¹³)² = c²⁶

20) (b² * b³)⁴ = (b⁵)⁴ = b²⁰

C)

1) 49x⁸y⁶ = (7x⁴y³)²

2) 100a¹⁰b¹⁰ = (10a⁵b⁵)²

3) m¹²n⁴ = (m⁶n²)²

4) 0,0625a¹⁴b¹⁶ = (0,25a⁷b⁸)²