Write the answer with the correct number of significant digits. Don't use any commas in your answer. Only use a decimal point in your answer if it is necessary to show the correct number of significant digits.
386 x 21 =

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

In an oxidation-reduction reaction, oxidation is what happens when a reactant

The clouds are grey and ground is wet. a quantitative b qualitative