Radioactive Einsteinium-253 has a half-life of 1,768,608 seconds. Given 1000mg of Einsteinium-253 at t=0 days, how much is left after 50 days?
EX: >> decay(50)
184
HINT: find k, then decay(50)
Use: decay(t)=10^3*e^(k*t)
NB: make sure you round your answer up to the next highest integer.
Solution Stats
Problem Comments
5 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers117
Suggested Problems
-
19230 Solvers
-
1792 Solvers
-
Back to basics 23 - Triangular matrix
1120 Solvers
-
Given a matrix, swap the 2nd & 3rd columns
1263 Solvers
-
540 Solvers
More from this Author16
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
guess you mean minutes instead of seconds?
Hi, no I do mean seconds if you are referring to the constant, 29,476.8
I have readjusted it now so it is the correct value.
I believe you are always rounding up to the next highest integer rather than rounding to the nearest integer. In other words, you are using the ceil() function, not the round() function.
Hi Rick, yes you are quite right. I have made the correction as above. Thanks for your valuable input.