Răspuns :
[tex]0,2 = \frac{2}{10} = \frac{1}{5}\\(0,2)^4 = (\frac{1}{5})^4 = \frac{1}{5^4} = \frac{1}{625} = \frac{16}{10^4} = \boxed{0.0016}[/tex]
[tex]0,2 = \frac{2}{10} = \frac{1}{5}\\(0,2)^4 = (\frac{1}{5})^4 = \frac{1}{5^4} = \frac{1}{625} = \frac{16}{10^4} = \boxed{0.0016}[/tex]