The milky way has a radius of approximately 50,000 light years. the visible universe has a size of approximately 15 billion light years. if the milky way is represented by an 8 centimeter wide coffee cup, how big would the rest of the universe be in kilometers

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Can someone me with 1 to 4 plz. fast