Multiple ChoiceIn the SI system, which combination of base units describes force (the newton, N)?4views
Multiple ChoiceThe earth's circumference is approximately 40.1 Mm (megameters). What is this circumference in kilometers?5982views202rank7comments
Multiple ChoiceAstronomers often detect radio waves with wavelengths of 3,000,000,000 nm. What is this wavelength expressed in decameters (dam)?3893views193rank5comments