Ответ:

  1. \(\left(\frac{1}{2}\right)^2=\frac{1^2}{2^2}=\frac{1}{4}\)
  2. \(\left(\frac{1}{3}\right)^2=\frac{1}{9}\)
  3. \(\left(\frac{3}{4}\right)^2=\frac{9}{16}\)
  4. \(\left(\frac{5}{6}\right)^2=\frac{25}{36}\)
  5. \(\left(\frac{4}{7}\right)^2=\frac{16}{49}\)
  6. \(\left(\frac{2}{7}\right)^2=\frac{4}{49}\)
  7. \(\left(\frac{9}{10}\right)^2=\frac{81}{100}\)
  8. \(\left(\frac{7}{20}\right)^2=\frac{49}{400}\)
  9. \(\left(\frac{8}{9}\right)^2=\frac{64}{81}\)
  10. \(\left(\frac{3}{40}\right)^2=\frac{9}{1600}\)
  11. \(\left(\frac{1}{2}\right)^3=\frac{1}{8}\)
  12. \(\left(\frac{1}{3}\right)^3=\frac{1}{27}\)
  13. \(\left(\frac{1}{10}\right)^3=\frac{1}{1000}\)
  14. \(\left(\frac{3}{10}\right)^3=\frac{27}{1000}\)
  15. \(\left(\frac{1}{100}\right)^3=\frac{1}{1000000}\)