Question

10. A radioactive sample with an initial mass of 72 mg has a half-life of 10 days. a) Write a function to relate the amount remaining, $A$, in milligrams, to the time, $t$, in days. b) What amount of radioactive sample will remain after 20 days? c) What amount of radioactive sample was there 30 days ago? d) How long, to the nearest day, will it take for there to be 0.07 mg of the initial sample remainin Initial Amount: Growth Rate 100% + Period: Time: a) b) c) d)

Name: 10 a radioactive sample with an initial mass of 72 mg has a half life of 10 days a write a function to relate the amount remaining a in milligrams to the time t in days b what amount of radi 86532
Uploaded: 2023-01-19T22:52:16-08:00
Duration: 2 min 28 s
Channel: James Kiss
Description: 10 a radioactive sample with an initial mass of 72 mg has a half life of 10 days a write a function to relate the amount remaining a in milligrams to the time t in days b what amount of radi 86532

          10. A radioactive sample with an initial mass of 72 mg has a half-life of 10 days.
a) Write a function to relate the amount remaining, $A$, in milligrams, to the time, $t$, in days.
b) What amount of radioactive sample will remain after 20 days?
c) What amount of radioactive sample was there 30 days ago?
d) How long, to the nearest day, will it take for there to be 0.07 mg of the initial sample remainin

Initial Amount: Growth Rate 100% + Period: Time:

a) b)

c) d)

10 a radioactive sample with an initial mass of 72 mg has a half life of 10 days a write a function to relate the amount remaining a in milligrams to the time t in days b what amount of radi 86532

Added by William M.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert James Kiss

01/19/2023

Step 1

The general formula for exponential decay is $A(t) = A_0 \cdot (\frac{1}{2})^{\frac{t}{T}}$, where: - $A(t)$ is the amount remaining after time $t$. - $A_0$ is the initial amount. - $T$ is the half-life. - $t$ is the time elapsed. Given: - Initial mass ($A_0$) = Show more…

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10. A radioactive sample with an initial mass of 72 mg has a half-life of 10 days. a) Write a function to relate the amount remaining, $A$, in milligrams, to the time, $t$, in days. b) What amount of radioactive sample will remain after 20 days? c) What amount of radioactive sample was there 30 days ago? d) How long, to the nearest day, will it take for there to be 0.07 mg of the initial sample remainin Initial Amount: Growth Rate 100% + Period: Time: a) b) c) d)