Question

срочно алгебра плииииз​

Answer 1

Ответ:

Объяснение:

2.2.

1)2b(-3c)=-6bc

2)(-4a)(-5b)=20ab

3)8x(-1,2y)=-4xy

4)3/4a(-2/3x)=-1/2ax

5)(-0,3m)(-5n)=1,5mn

6)(-3a)(2b(-c)=6abc

2.3

1)(a³)²=a^6

2)(-3x²)²=9x^4

3)(4m³)²=16m^6

4)(-3y²)^4=81y^4

5)( -1 1/2b³)²=(-3/2b³)²=9/4b^6=2 1/4b^6=2,25b^6

6)(2 1/2xy²)²=(5/2xy²)²=25/4x²y^4=6 1/4x²y^4=6,25x²y^4

7)(-1,2c^4b²)^2=1,44c^8b^4

8)(3a²x)³=27a^6x³