Answer:
-10+25m
Step-by-step explanation:
Is that good enough for yah?
Answer:
1.97 ounces
Step-by-step explanation:
-The exponential decay function is given by the formula:
![P_t=P_oe^{-rt}\\\\](https://tex.z-dn.net/?f=P_t%3DP_oe%5E%7B-rt%7D%5C%5C%5C%5C)
Given that the half-life is 4 days, we can substitute in the formula to solve the rate of decay for a single half-life:
![P_t=P_oe^{rt}\\\\P_t=0.5P_o\\\\\therefore 0.5=e^{-4r}\\\\-4r=In(0.5)\\\\r=0.17329](https://tex.z-dn.net/?f=P_t%3DP_oe%5E%7Brt%7D%5C%5C%5C%5CP_t%3D0.5P_o%5C%5C%5C%5C%5Ctherefore%200.5%3De%5E%7B-4r%7D%5C%5C%5C%5C-4r%3DIn%280.5%29%5C%5C%5C%5Cr%3D0.17329)
#Since, 1 week has 7 days, 3 weeks is a 21-day period, thus, t=21.
#We substitute and solve for the amount remaining after 21days of decay:
![P_t=P_oe^{-rt}\\\\=75e^{-21\times 0.17329}\\\\=1.97072\\\\\approx1.97 \ oz](https://tex.z-dn.net/?f=P_t%3DP_oe%5E%7B-rt%7D%5C%5C%5C%5C%3D75e%5E%7B-21%5Ctimes%200.17329%7D%5C%5C%5C%5C%3D1.97072%5C%5C%5C%5C%5Capprox1.97%20%5C%20oz)
Hence, the amount remaining after 3 weeks of decays is approximately 1.97 ounces
3600000, 3600000, 3600000 ur answer is <span>3600000</span>
Answer:
your answer well most likely be 7/20 or 1/2
Answer:
IM SLOWWWWWWWWWWWWWWWWWWWWWw
Step-by-step explanation: