Simplify each expression

(7-3) ^2 * (6-2) ^3

(7-3) ^2 divide (6-2) ^3

(2 * 5^3) divide (9-4) ^4

(3 * 4) ^2 divide (6 * 2) ^4

7-3 = 4^2 = 16 6-2 = 4^3 = 64 64*16 = 1,024

7-3 = 4^2 = 16 6-2 = 4^3 = 64 64/16 = 4

5^3 = 125*2 = 250 9-4 = 5^4 = 625 625/250 = 2.5

3*4 = 12^2 = 144 6*2 = 12^4 = 20,736/144 = 144