Odpowiedź:
[tex]a)\ \ (\frac{7}{10})^2=\frac{7^2}{10^2}=\frac{49}{100}\ \ ,wiec\ \ 0,7^2=0,49\\\\b)\ \ (\frac{11}{10})^2=\frac{11^2}{10^2}=\frac{121}{100}\ \ ,eiec\ \ 1,1^2=1,21\\\\c)\ \ (\frac{3}{10})^3=\frac{3^3}{10^3}=\frac{27}{1000}\ \ ,wiec\ \ 0,3^3=0,027\\\\d)\ \ (\frac{9}{100})^2=\frac{9^2}{100^2}=\frac{81}{10000}\ \ ,wiec\ \ 0,09^2=0,0081[/tex]
