document.write( "Question 764088: The half life of Plutonium-239 is 24,00 years. This is , 1,000 grams of Plutonium-239 will take 24,000 years to decay to 500 grams. How much of the original 1,000 grams of Plutonium 238 will be after 10 years. \n" ); document.write( "
Algebra.Com's Answer #465257 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Half life = 24,000 years \n" ); document.write( "10 years/24,000 years = 0.000416 \n" ); document.write( "500g * 0.000416 = 0.21g \n" ); document.write( "500g - 0.21g \n" ); document.write( "= 499.79g \n" ); document.write( "500g + 499.79g = 999.79g \n" ); document.write( "This is the quantity that will still \n" ); document.write( "remain active after 10 years. \n" ); document.write( " |