mohon bantu dijawab:)

1.) (4/5)^-4 = 4^-4 / 5^-4 ⇒ 1/4^4 ÷ 1/5^4 = 1/256 × 625/1 = 625/256 = (5/4)^4
2.) (3/7)^-2 = 3^-2 / 7^-2 ⇒ 1/3^2 ÷ 1/7^2 = 1/9 × 49/1 = 49/9 = (7/3)^2