Question 301925
(7x^3)/2  ÷(9x^5)/4

= (7x^3)/2 x 4/(9x^5)
= 28x^3 / 18x^5
= (28/18)* (x^3/x^5)
=  (14/9) * (1/x^2)
= 1 5/(9x^2)