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a fost răspuns

sa se calculeze:
(16\49)la puterea -1,5.
(0,008) la puterea 2\3.
(2,25) la puterea -3\2

Răspuns :

Albatran
(16/49)^ (-1,5)= (16/49)^ (-3/2)=(49/16)^3/2=(7/4)³=343/64

 (8/1000)^2/3= (2/10)^3^(2/3)=(2/10)²=(1/5)²=1/25

(225/100)^ (-3/2)=(100/225)^(3/2)=(10/15)^2^(3/2)=(10/15)³=(2/3)³=8/27