SOLUTION: There are 5500 lbs of a radioactive element with a half life of 5 years. What is its continuous decay rate? Please write your answer as a percentage using 2 decimal places.

Question 1167430: There are 5500 lbs of a radioactive element with a half life of 5 years. What is its continuous decay rate? Please write your answer as a percentage using 2 decimal places.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

It doesn't matter how much you have to start with, the only thing that matters is that you will have half as much in 5 years, so:

Do the arithmetic and round appropriately.

John

My calculator said it, I believe it, that settles it

I > Ø

RELATED QUESTIONS
There are 5500 lbs of a radioactive element with a half life of 5 years. What is its... (answered by Theo,MathTherapy)

A radioactive element decays at a rate of 7%. What is the half-life of the element (... (answered by ikleyn)

A radioactive substance has a decay rate of 1.8% per year. What is its half life? Give... (answered by ankor@dixie-net.com)

The half life of radioactive element plutonium-239 is 20 years. How long will it take... (answered by ankor@dixie-net.com)

Please show step by step. Thanks An unknown radioactive element decays into... (answered by josgarithmetic)

The half-life of a radioactive substance is 4467 years. What is the decay rate (k)? Round (answered by josgarithmetic)

If 525 mg of a radioactive element decays to 400 mg in 48 hours, what is its... (answered by ankor@dixie-net.com)

If 35mg of a radioactive element decays to 10mg in only 24 hours, what is its half... (answered by ankor@dixie-net.com)

A 1200 kg of a radioactive element kept decaying for 50 years until 300 kg of the element (answered by ankor@dixie-net.com)