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(answered) – 1) Polonium-210 has a half life of 138 days. A sample’s activity

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(answered) – 1) Polonium-210 has a half life of 138 days. A sample’s activityDescriptionSolution downloadThe Question?1) Polonium-210 has a half life of 138 days. A sample’s activity is measured to be 3000 counts/min. Predict it’s activity after:?a) 138 days?b) 276 days?c) How long before it’s activity is less than 750 counts/min??2) C13 has a half-life of about 600 years. All living things contain the same proportion of this isotope. An archaeologist measures the activity of an uncovered wooden axe handle to be a quarter of a modern one. How old is it??