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please no chatgpt and explain all steps A radioactive sample with a half-life of 2.9 s initially has 500,000 nuclei. What would be the activity,

please no chatgpt and explain all steps

A radioactive sample with a half-life of 2.9 s initially has 500,000 nuclei. What would be the activity, or decay rate, in Bq after 10.9 seconds?

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