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Let Q Represent a Mass of Radioactive Radium (226Ra) (In

Question 22

Multiple Choice

Let Q represent a mass of radioactive radium (226Ra) (in grams) , whose half-life is 1599 years. The quantity of radium present after t years is Let Q represent a mass of radioactive radium (<sup>226</sup>Ra) (in grams) , whose half-life is 1599 years. The quantity of radium present after t years is Determine the quantity present after 200 years. Round to the nearest hundredth of a gram. A) 0.00 g B) 4.00 g C) 0.92 g D) 3.67 g E) 0.25 g Determine the quantity present after 200 years. Round to the nearest hundredth of a gram.


A) 0.00 g
B) 4.00 g
C) 0.92 g
D) 3.67 g
E) 0.25 g

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