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If 14 g of a radioactive substance are present initially and 8 yr later only 7.0 g remain, how much of the substance, to the nearest tenth of a gram, will be present after 19 yr? After 19 yr, there will be g of the radioactive substance. (Do not round until the final answer. Then round to the nearest tenth as needed.) ···

If 14 g of a radioactive substance are present initially and 8 yr later only 7.0 g remain, how much of the substance, to the nearest tenth of a gram, will be present after 19 yr? After 19 yr, there will be g of the radioactive substance. (Do not round until the final answer. Then round to the nearest tenth as needed.) ···

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter65: Achievement Review—section Six
Section: Chapter Questions
Problem 70AR: Compute the number of cubic centimeters of iron required for the cast-iron plate shown. The plate is...
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If 14 g of a radioactive substance are present initially and 8 yr later only 7.0 g remain, how much of the substance, to the nearest tenth of a gram, will be present after 19 yr? After 19 yr, there will be g of the radioactive substance. (Do not round until the final answer. Then round to the nearest tenth as needed.)
Transcribed Image Text:If 14 g of a radioactive substance are present initially and 8 yr later only 7.0 g remain, how much of the substance, to the nearest tenth of a gram, will be present after 19 yr? After 19 yr, there will be g of the radioactive substance. (Do not round until the final answer. Then round to the nearest tenth as needed.)
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