The Half-Life of Radium Is Approximately 1,600 Years

question 43

Multiple Choice

The half-life of radium is approximately 1,600 years. If the present amount of radium in a certain location is 900 grams, how much will remain after 400 years? Express your answer to the nearest gram.

• A)Q = 734 gram
• B)Q = 768 gram
• C)Q = 757 gram
• D)Q = 752 gram
• E)Q = 744 gram

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