Find the resultant vectors of the following sets of vectors. Final answers must be rounded off to two decimal points only. Show complete illustrations and units. Put emphasis on your final answers

1. 5.0 cm N, 7.0 cm E, 8.0 cm S, and 6.0 cm W Scale: 1.0 cm = 1.0 m

2. 9.0 cm W, 4 cm E and 3 cm N

Scale: 1.0 cm = 1.0 m

3. 5.0 m N, 5.0 m E, 4.0 m 60^O E of S, and 6.0 m W

Scale: 1.0 cm = 1.0 m

4. . 20 km NE, 40.0 km E, 45.0 km S, and 40.0 km 20^O W of N

Scale: 1.0 cm = 10.0 m