On August 27, 2003, Mars reached a distance of 55,758,000 km from the earth, which was the closest distance between the two planets in nearly 60,000 years. Which of the following values would you use to write
this distance in scientific notation to two significant figures?
O 56.0 x 10^6km
O 5.6 x 10^8 km
O 5.6 x 10^7 km
O 5.5 x 10^7 km
O 5.57 x 10^8 km
O5.57 x 10^7 km

The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a.is a south pole because the field hnes spread out from this end b.a north pole because the field lines spread out from this end c.a nouth pole because the field lines enter the magnet at this end d.is a north pole because the field lines enter the magnet at this end