Sunday
December 21, 2014

Homework Help: math

Posted by becky on Wednesday, October 9, 2013 at 10:10pm.

the half life of the carbon isotope C14 is about 5700 years.
A. about how many years does it take 1000 grams of this substance to decay to 500 grams?
B. about what percent of the original amount would you expect to find after 1000 years?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

algebra - Scientists can determine the age of ancient objects by a method ...
Calculus - The half life of a certain radioactive substance is 10 years. How ...
Chemistry - The isotope caesium-137, which has a half life of 30 years, is a ...
Math - D.E.Q. - The half-life of a radioactive isotope is the amount of time it ...
college - a certain radioactive isotope has a half life or 850 years.how many ...
Chemistry - What is the famous isotope used in archeological dating? carbon 12 I...
Math - _The_Natural_Base_e_ An accident in 1986 at the Chernobyl nuculear plant ...
Chemistry - The half-life of C-14 is 5700 years. If it took seven half lives for...
calculus - Carbon-14 is a radioactive substance produced in the Earth's ...
Pre Calculus - Exponential growth and decay find the half life of a radioactive ...

Search
Members