Calculate the answer. express it in scientific notation. all answers should have the correct number of significant figures.
(6.93 x 10¹) (2.0 x 10-4) = ?

How does a hydroelectric power plant converts energy into energy.

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.