Question

помогите, дам 50 балов​

Answer 1

Ответ:

Объяснение:

6.

3⁸ * 11⁷ / 33⁷ = 3⁸ * 11⁷ / 3⁷ * 11⁷ = 3

7.

1) (-2/3a⁴b²c) : 15/ abc² = (-2/3a⁴b²c) * 2/15 abc² =  − 4a³b/45c

2) (-2ab²)³ * ab = - 8a³b⁶ * ab = -8a⁴b⁷

8.

(-2/3)⁷ * (9/16)⁷ * (-2 2/3)⁷ = 2⁷/ 3⁷ * 3¹⁴ / 2²⁸ * 2²⁸ / 3⁷ = 1