subject
Mathematics, 17.04.2021 01:10 ysh123

Radioactive phosphorus decays continuously at the rate of 5% per day. This means that an initial amount of 5 grams of radioactive phosphorus decays after 30 days of cording to the formula A(t)=5e^-0.05t? a) How much of the sample is left after 20 days?

b) when it is the remaining amount 1/2 the initial amount? (solve using logarithm (ln)) Help??​

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2
Answers: 1
question
Mathematics, 21.06.2019 19:30
Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?
Answers: 1
question
Mathematics, 22.06.2019 01:30
Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample
Answers: 3
question
Mathematics, 22.06.2019 01:50
For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.
Answers: 1
You know the right answer?
Radioactive phosphorus decays continuously at the rate of 5% per day. This means that an initial amo...
Questions
question
History, 07.07.2021 05:00
Questions on the website: 13722363