SOLUTION: How long wold it take a sample of Am-241 to reduced to 25% of its original value?

Algebra.Com
Question 718108: How long wold it take a sample of Am-241 to reduced to 25% of its original value?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
How long wold it take a sample of Am-241 to reduced to 25% of its original value?
-------------------
Two (2) times its half-life.

RELATED QUESTIONS

if a plane travles an average of 546 mph and flies without stopping to your country how... (answered by Alan3354)
The half-life of polonium-210 is 15 days. How long will it take for a sample of this... (answered by jorel1380)
The half-life of iodine-131 is 7.2 days. How long will it take for a sample of this... (answered by ewatrrr)
A sample of a radioactive substance decayed to 91% of its original amount after a year.... (answered by ankor@dixie-net.com)
The radioactive element americium-241 has a half-life of 432 years. How many years will... (answered by ewatrrr)
The half life of radioactive element plutonium-239 is 20 years. How long will it take... (answered by ankor@dixie-net.com)
After 3 days a sample of Radon-222 has decayed to 50% of its original amount. 1. What... (answered by fractalier)
if you have an organic sample of C-14 weighing 220g, how long will it take to be reduced... (answered by BriLH22,ikleyn)
The half-life of Snowmanian-37 is 16 hours. How long will it take a quantity of... (answered by checkley75)