Approsmet the following to 1,2,3, and 4 decimal place?

1. 3.14159
- 1 decimal place: 3.1
- 2 decimal places: 3.14
- 3 decimal places: 3.142
- 4 decimal places: 3.1416

2. 2.71828
- 1 decimal place: 2.7
- 2 decimal places: 2.72
- 3 decimal places: 2.718
- 4 decimal places: 2.7183

3. 1.61803
- 1 decimal place: 1.6
- 2 decimal places: 1.62
- 3 decimal places: 1.618
- 4 decimal places: 1.6180

4. 0.57721
- 1 decimal place: 0.6
- 2 decimal places: 0.58
- 3 decimal places: 0.577
- 4 decimal places: 0.5772

Approximation of the given decimal values to 1, 2, 3, and 4 decimal places:

1. 5.36721
- 1 decimal place: 5.4
- 2 decimal places: 5.37
- 3 decimal places: 5.367
- 4 decimal places: 5.3672

2. 12.68593
- 1 decimal place: 12.7
- 2 decimal places: 12.69
- 3 decimal places: 12.686
- 4 decimal places: 12.6859

3. 2.451789
- 1 decimal place: 2.5
- 2 decimal places: 2.45
- 3 decimal places: 2.452
- 4 decimal places: 2.4518

4. 9.87654321
- 1 decimal place: 9.9
- 2 decimal places: 9.88
- 3 decimal places: 9.877
- 4 decimal places: 9.8765