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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.
Chapter13: Division Of Decimal Fractions
Section: Chapter Questions
Problem 15A: How much stock per stroke is removed by the wheel of a surface grinder if a depth of 4.725...
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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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