The half-life of radium-226 is 1620 years. How much of an initial 2-g sample remains after 500 years? Please round the answer to two decimal places.
A) 0.81 grams
B) 1.54 grams
C) 1.61 grams
D) 1.63 grams
E) 1.65 grams

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The Answer of The half-life of radium-226 is 1620 years. How much of an initial 2-g sample remains after 500 years? Please round the answer to two decimal places.
A) 0.81 grams
B) 1.54 grams
C) 1.61 grams
D) 1.63 grams
E) 1.65 grams

The Half-Life of Radium-226 Is 1620 Years