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??

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:30, ashleyprescot05

Find the missing dimension! need asap! tiny square is a =3025 in ²

Answers: 1

continue

Mathematics, 22.06.2019 00:00, mkay78

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

Answers: 1

continue

Mathematics, 22.06.2019 00:00, abelxoconda

Sun country bus lines has 80000 shares of stock outstanding what would the dividend per share of stock be from a dividends declaration of 109600

Answers: 1

continue

Mathematics, 22.06.2019 01:00, Latoyajenjins1789

Given the net of the rectangular prism, what is its surface area?

Answers: 1

continue

You know the right answer?

Radioactive phosphorus decays continuously at the rate of 5% per day. This means that an initial amo...