Science task 90: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A tracer starts at 0.18 mol and undergoes 2 half-lives of 5 minutes each. How much remains?

Science task 90: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A tracer starts at 0.18 mol and undergoes 2 half-lives of 5 minutes each. How much remains?

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