The half-life of radium is 1690 years. If 9090 grams are present now, how much will be
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Question:
The half-life of radium is 1690 years. If
9090
grams are present now, how much will be present in
490490
years?
Question content area bottom
Part 1
85.41285.412
grams
(Do
not round until the final answer. Then round to the nearest thousandth as needed.)
Expert Answer:
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