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Author Question: The decay of 955 mg of an isotope is given by A(t) = 955e-0.016t, where t is time in years. Find the ... (Read 54 times)

kwoodring

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on: Jun 16, 2021

Question 1

How old is a skeleton that has lost 19% of its carbon-14?   The decay rate, k, of carbon-14 is 0.01205% per year.
◦ 13,782 years
◦ 1171 years
◦ 1749 years
◦ 17 years

Question 2

The decay of 955 mg of an isotope is given by A(t) = 955e-0.016t, where t is time in years. Find the amount left after 93 years.
◦ 940 mg
◦ 212 mg
◦ 216 mg
◦ 108 mg
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Marked as best answer by kwoodring on Jun 16, 2021

dpost18

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Reply #1 on: Jun 16, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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kwoodring

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Reply 2 on: Jun 16, 2021
Excellent

steff9894

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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