Question

Answer this please.need urgently​

Answer 1

Answer:

(a/b)^-3 = { (2/3)^-2}^-3

=(2/3)^6

= 64/729

Answer 2

Answer:

(a/b)=(2/3)^-2 ÷ ((2/3)^6)^0

(a/b)=(2/3)^-2 ÷ (64/729)^0

(a/b)=(2/3)^-2 ÷ 1

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

(a/b)=(9/4)

(a/b)^-3=(9/4)^-3

(a/b)^-3=(4/9)^3

(a/b)^-3 =(64/729)