Ответ: 2.25

Пошаговое объяснение:

[tex]=(\frac{3}{2} )^{-2} *(\frac{9}{4})^{2} = (\frac{2}{3} )^{2} *(\frac{9}{4})^{2} =\frac{4}{9} *\frac{9}{4}*\frac{9}{4}=1*\frac{9}{4} =\frac{9}{4} =2\frac{1}{4}[/tex]

Verified answer

Ответ:

1) (1 1/2)-³ = (3/2)-³ = (2/3)³ = 8/27

2) (4/9)-² = (9/2)² = 81/4

3) 8/27 * 81/4 = 2/1 * 3/1 = 6/1 = 6