Mathematics, 10.04.2020 05:19, Daxtyn

Strontium 90 is a radioactive material that decays according to the function Upper A left parenthesis t right parenthesis equals Upper A 0 e Superscript negative 0.0244 t Baseline comma where Upper A 0 is the initial amount present and A is the amount present at time t (in years). Assume that a scientist has a sample of 500 grams of strontium 90.
(a) What is the decay rate of strontium 90?
(b) How much strontium 90 is left after 10 years?
(c) When will only 200 grams of strontium 90 be left?
(d) What is the half-life of strontium 90?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, lil8174

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Answers: 3

continue

Mathematics, 21.06.2019 21:30, stace49

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

Answers: 2

continue

Mathematics, 21.06.2019 23:10, toricepeda82

In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)

Answers: 3

continue

Mathematics, 21.06.2019 23:30, eileentennyson

I’m really confused and need to learn this

Answers: 1

continue

Do you know the correct answer?

Strontium 90 is a radioactive material that decays according to the function Upper A left parenthesi...