adiostorredore adiostorredore 12-10-2016 Mathematics contestada Use milligrams to prove that 1.989 · 10^27 kilograms is equal to 1.989 · 10^33 milligrams. Use kilograms to prove that 1.989 · 10^33 milligrams is equal to 1.989 · 10^27 kilograms. How????