Mathematics, 07.05.2021 03:50 issagirl05
The half-life of radium is 1620 years. If a laboratory has 12 grams of radium, how long will it take before it has 8 grams of radium left?
a 947.6 years
b 804.3 years
c 797.5 years
d 849.5 years
Answers: 3
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The half-life of radium is 1620 years. If a laboratory has 12 grams of radium, how long will it take...
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