SOLUTION: The half life of Iron-55 is approximately 2.7 years. How much of a 5 gram sample of Iron-55 would remain after 6 years? Round to 3 decimal places. Answer to part 1: a=0.773584

Algebra.Com
Question 923628: The half life of Iron-55 is approximately 2.7 years. How much of a 5 gram sample of Iron-55 would remain after 6 years? Round to 3 decimal places.
Answer to part 1: a=0.773584

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

.5 = e^(-2.7k)
ln(.5)/-2.7) = .2567
........

RELATED QUESTIONS

The half life of Iron-55 is approximately 2.7 years. Determine a so that A(t)=Aoa^t... (answered by josgarithmetic)
The half-life of radioactive radium (226 Ra) is approximately 1620 years. How much of a... (answered by ewatrrr)
The half-life (h) of carbon-14 is approximately 6000 years.Determine how much of a 100 g... (answered by ewatrrr)
The half-life of plutonium-241 is approximately 13 years. a. How much of a sample... (answered by Boreal)
the half life of carbon -14 is 5730 how much of 10 mg sample will remain after 4500... (answered by ankor@dixie-net.com)
The half-life of strontium -90 is 28 years. How much of a 10-g sample will remain after: (answered by ikleyn,Alan3354)
An isotope has a​ half-life of 92 years. How much of a 27​-gram sample is... (answered by josgarithmetic,Boreal,greenestamps)
Could someone please help me on two logarithm word problems? 1)Recall that A =... (answered by stanbon)
Cesium 13 is a radioactive element with a half life of 30 years. Predict how much of a... (answered by scott8148)