1. [tex]4*100 + 1*10 + 5 + \frac{5}{10} + \frac{1}{100} + \frac{2}{1000} [/tex]
2. [tex]5*1000 + 3*100 + 4*10 + 7 + \frac{1}{10} + \frac{2}{100} [/tex]
3. [tex]7*1000 + 0*100 + 0*10 + 7 + \frac{7}{10} + \frac{0}{100} + \frac{0}{1000} + \frac{7}{10000} [/tex]