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Space/Math word problem help?
A light-year is a unit of distance. It is the distance that light travels in 1 year. For example, the distance from the North Star to Earth is about 434 light-years because it takes light about 434 years to travel from the North Star to Earth.
The table lists five stars in the constellation Cassiopeia and their approximate distances, in light-years, from Earth.
Light travels at a speed of 3 x 10^8 meters per second. Which star in the table is between 7 x 10^17 meters and 3 x 10^18 meters from Earth?:
Schedar:228.56
Caph:54.46
Tsih:613.08
Ruchbah:99.41
Segin:441.95
1 Answer
- DLMLv 77 years agoFavorite Answer
10^17 meters is about 10.5 light years and 10^18 is about 105 light years.
So what number is between (7 x 10.5) and (3 x 105)?
