а)(7/9)^5 = (0.7778)^5 ≈ 0.3223,(0.67)^5 ≈ 0.1632.
б)(1 3/7)^-2 = (1.4286)^-2 ≈ 0.6897,(0.7)^-2 = (0.7)^-2 ≈ 2.0408.
а)
(7/9)^5 = (0.7778)^5 ≈ 0.3223,
(0.67)^5 ≈ 0.1632.
б)
(1 3/7)^-2 = (1.4286)^-2 ≈ 0.6897,
(0.7)^-2 = (0.7)^-2 ≈ 2.0408.