Science task 80: A Northern Territory senior class applies the information to a remote-services, climate or community investigation. A tracer starts at 0.20 mol and undergoes 4 half-lives of 7 minutes each. How much remains?

Science task 80: A Northern Territory senior class applies the information to a remote-services, climate or community investigation. A tracer starts at 0.20 mol and undergoes 4 half-lives of 7 minutes each. How much remains?

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