How fast, relative to an observer, does an Empire ship have to travel for its markings to be confused with those of a Federation ship? Use ccc for the speed of light in a vacuum.

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?

How many neutrons does plutonium -196 with an atomic number of 78.