Răspuns:
Explicație pas cu pas:
b)
8/125 = 2^3/5^3 = (2/5)^3
(8/125)^8 = [(2/5)^3]^8 = (2/5)^24
(2/5)^21 < (2/5)^24
(2/5)^21 < (8/125)^8