The carat is the unit of mass used by jewelers. One carat is exactly 200 mg. How many carbon atoms are present in a 1.37-carat diamond? Enter your answer in scientific notation.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.