subject
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?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10
Answers: 3
question
Mathematics, 21.06.2019 19:30
Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
question
Mathematics, 21.06.2019 21:30
How does reflecting or rotating a figure change the interior angles of the figure?
Answers: 2
question
Mathematics, 22.06.2019 01:00
3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)
Answers: 1
You know the right answer?
Strontium 90 is a radioactive material that decays according to the function Upper A left parenthesi...
Questions
question
Mathematics, 23.10.2021 17:30
question
English, 23.10.2021 17:30
question
Chemistry, 23.10.2021 17:30
question
English, 23.10.2021 17:30