=2Y^2/(a^3b)

Calculation: (2ac-3)-2 \(a-2b)3

Solution (2a 2c-3)/(a-6b 3)

=2a^8/(b^3c^3)

Find the negative integer exponential power and calculate ① (-2)-3 =- 1/8.

②-(-3/2)^-2=-4/9

③0.0 1^-3

=( 10^-2)^-3= 10^6

Calculation:

①(a^- 1

b^2c^-3)^3

=(b^2/ac^3)^3

=b^6/(a^3c^9)

②a^-3b^2*(a^-2b^2)^-2

=a^-3b^2*a^4b^-4

=a^4/b^2

③(2ab^2c^-3)^-2÷(a^-2b)^3

= 1/4a^-2b^-4c^6÷a^-6b^3

= 1/4a^4b^-7c^6

=a^4c^6/(4b^7)