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thanks please thanks please Image transcription textQuestion 24 (3 points) Listen 1. The half-life of cobalt-60 is 5.3 years. If 4.0g of cobalt-60 are allowed to decayfor 21.2 years. a. How many grams of cobalt-60 are radioactive? b. How many grams are decayed? c. Howmany years have gone by if 63/64 of the sample decayed? d. How many grams of the 4.0g sampl… Show more… Show moreChemistry Science Organic chemistry

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