Answer 1.1:7
From Förberedande kurs i matematik 1
| a) | The number is rational and equal to \displaystyle \,314/100 = 157/50\, |
| b) | The number is rational and equal to \displaystyle \,31413/9999 = 10471/3333\, |
| c) | The number is rational and equal to \displaystyle \,1999/9990\, |
| d) | The number is irrational. |
