Răspuns :
[tex] (\frac{1}{7} ) {}^{2} = \frac{1}{49} \\ \\ ( \frac{2}{3} ) {}^{5} = \frac{32}{243} \\ \\ [/tex]
a) (1/2)^7 = 1/2^7 = 1/128
b) (2/3)^5 = 2^5/3^5 = 32/3125
e) (5/4)^4 = 5^4/4^4 = 625/256
f) (3/3)^2017 = 1^2017 = 1
b) (2/3)^5 = 2^5/3^5 = 32/3125
e) (5/4)^4 = 5^4/4^4 = 625/256
f) (3/3)^2017 = 1^2017 = 1