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Author Question: The charcoal from a tree killed in a volcanic eruption contained 64.7% of the found in living ... (Read 273 times)

JGIBBSON

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on: Dec 18, 2021

Question 1

Find the half-life of the radioactive element radium, assuming that its decay constant is with time measured in years.
◦ 2308 years
◦ 1400 years
◦ 800 years
◦ 1600 years

Question 2

The charcoal from a tree killed in a volcanic eruption contained 64.7% of the found in living matter.  How old is the tree, to the nearest year?  Use for the half-life of
◦ 5700 years
◦ 1720 years
◦ 2482 years
◦ 3581 years
Calculus: Early Transcendentals ¦ Briggs, Cochran, Gillett, Schulz ¦ 3rd Edition
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Marked as best answer by JGIBBSON on Dec 18, 2021

kkenney

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Reply #1 on: Dec 18, 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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JGIBBSON

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Reply 2 on: Dec 18, 2021
Excellent

raenoj

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Reply 3 on: Yesterday
Gracias!

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