Mathematics
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

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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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