1. Calculate the value of the error (only) with two decimal places for: (5.3 +/- 0.1) / (2.9 +/- 0.1)
2. Calculate the value of the error (only) with two decimal places for: (7.3 +/- 0.4) / (3 +/- 0.2)
3. Calculate the value of the error (only) with two decimal places for: (8.2 +/- 0.3) / (2.7 +/- 0.2)