Answer:
1/16.4616
Explanation:
(1.9^2*2.4^-3) (1.9^3*2.4^-2)^-3
(1.9^2*2.4^-3) * 1 / (1.9^3*2.4^-2)^3
1.9^2*2.4^-3 / (1.9^3*2.4^-2)^3
1.9^2 * 1 / 2.4^3 ÷ (1.9^3* 1 / 2.4^2)3
1.9^2 / 2.4^3 × (2.4^2/1.9^3)^3
(1/2.4) (1/1.9)^3
(1/2.4) (1/6.859)
1/16.4616