Distances in space are measured in light-years. The distance from Earth to a star is 6.8 × 1013 kilometers. What is the distance, in light-years, from Earth to the star (1 light-year = 9.46 × 1012 kilometers)? (5 points)

2.66 light-years
7.18 light-years
7.74 light-years
9.46 light-years

Question

Distances in space are measured in light-years. The distance from Earth to a star is 6.8 × 1013 kilometers. What is the distance, in light-years, from Earth to the star (1 light-year = 9.46 × 1012 kilometers)? (5 points)

 	
	2.66 light-years
	7.18 light-years
	7.74 light-years
	9.46 light-years

anonymous · Answer

Which sequence of transformations will change figure PQRS to figure P′Q′R′S′?

 (5 points)

 	
	Counterclockwise rotation about the origin by 90 degrees followed by reflection about the x-axis
	Counterclockwise rotation about the origin by 180 degrees followed by reflection about the x-axis
	Counterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axis
	Counterclockwise rotation about the origin by 90 degrees followed by reflection about the y-axis