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

question 33

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 Determine the quantity present after 300 years. Round to the nearest hundredth of a gram.

• A) 0.00 g
• B) 0.47 g
• C) 5.00 g
• D) 4.39 g
• E) 0.88 g

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