This topic contains a solution. Click here to go to the answer

Author Question: The charcoal from a tree killed in a volcanic eruption contained 64.7% of the found in living ... (Read 361 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538

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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by JGIBBSON on Dec 18, 2021

kkenney

  • Sr. Member
  • ****
  • Posts: 352
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.
Answer Preview
Only 29% of students answer this correctly




JGIBBSON

  • Member
  • Posts: 538
Reply 2 on: Dec 18, 2021
Thanks for the timely response, appreciate it


daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

For a complete list of videos, visit our video library