The wave produced by the crowd at a baseball game has a wavelength of 45.4 meters and its frequency of 0.64HZ what is the speed of the wave

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.