When you are converting megagrams to kilojoules you are converting a unit of mass to a unit of energy. Based on Einstein's famous energy-mass equation "e=mc^2," scientists have determined exactly how much energy is contained in a certain amount of mass. For your conversion you will need to know the number of kilojoules in a gram of mass, and how many grams there are in a megagram, which is also called a metric ton.
Instructions
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1
Start with the fact that 1 gram of matter contains 90 billion kilojoules of energy.
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2
Convert megagrams to grams. Since one megagram contains 1 million grams, multiply the number of megagrams by 1,000,000 to get the number of grams.
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3
Multiply the number of grams by 90 billion to get the number of megajoules.