When multiplying numbers in scientific notation, what do you do with the exponents?

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x. xx ml

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

What are the constituent metals of stainless steel?