Question

You are given 500 grams of a substance with a half-life of 1.5 years. How much will remain after 15.0 years?

Answer 1

decay is represented as an exponential function:
f(t) = No * e^(-kt)
\[Z=Be^{-kt}\]
where Z= final amount, B= initial amount, t= time, and k is the rate
HINT: rate means change.

Answer 2

0.488 right

Answer 3

Thanks!

Answer 4

you are welcome , you do it your self any way :)

Answer 5

:)