Perform the following calculation and report the answer to the correct number of significant figures (assume all numbers come from measurements):
3.6 + 7.426 + 0.2403

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.

How does a noncompetitive inhibitor reduce an enzyme’s activity?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize