Question

СРОЧНО!! помогите, прошу​

Answer 1

Объяснение:

6.

(2⁹•6⁷)/(12⁷)=((2⁹•(2•3)⁷)/((2•2•3)⁷)=

=(2⁹•2⁷•3⁷)/(2⁷•2⁷•3⁷)=

=(2¹⁶•3⁷)/(2¹⁴•3⁷)=2²•1=4

7.

1)

(-4/3•m⁵n³)•(-3/4•mn³)=m⁶n⁶

2)

(-4x³y)²•(x²y)= 16x⁶y²•x²y=16x⁸y³