Mathematics, 09.03.2021 04:10 pattydixon6

Element X is a radioactive isotope such that every 28 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 70 grams, how long would it be until the mass of the sample reached 38 grams, to the nearest tenth of a year?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:00

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

Answers: 2

Answer

Mathematics, 21.06.2019 17:30

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Answers: 2

Answer

Mathematics, 21.06.2019 19:00

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Answers: 3

Answer

Mathematics, 21.06.2019 19:00

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Answers: 2

Answer

You know the right answer?

Element X is a radioactive isotope such that every 28 years, its mass decreases by half. Given that...

Questions

Business, 13.01.2021 17:10

LinkUp, Inc. paid $450,000, plus $25,000 in closing costs, to buy a parcel of land with a factory on it. The purchase also contained equipment. The la...

Chemistry, 13.01.2021 17:10

Calculate the energy required to heat of ethanol from to . Assume the specific heat capacity of ethanol under these conditions is . Be sure your answe...

Mathematics, 13.01.2021 17:10

Exam scores were normal in MIS 200. Jason's exam score was 1.41 standard deviations above the mean. What percentile is he in...

Social Studies, 13.01.2021 17:10

An altered state of consciousness similar to that of a near-death experience is most likely to result from the use of Group of answer choices...

Business, 13.01.2021 17:10

Bond A has a price of 2,750 at an annual effective yield rate of 6%. The modified duration of the bond is 12. Bond B has a price of 2,000 at an annual...

Geography, 13.01.2021 17:10

What were some of the results of Soviet control of Eastern Europe? Select all that apply. prices determined by government shortages of food

Chemistry, 13.01.2021 17:10

calculate the heat given off when 177g of copper cools from 155 C to 23 C. The specific heat of copper is 0.385 J/g C...

Mathematics, 13.01.2021 17:10

Pls answer I need help!! ...

Mathematics, 13.01.2021 17:10

The length of a room is 6.15 feet longer than the width, x of the room. Write an expression to represent the perimeter of the room....

Mathematics, 13.01.2021 17:10

Write 7 to the power of 4 in expanded form. Then check all that apply. The base is 7. The exponent is 4. The exponent tells you to multip...

Mathematics, 13.01.2021 17:10

A 16 ft ladder is leaning against a house. The ladder's angle of elevation is 47 degrees. How far above the ground is the top of the ladder...

Business, 13.01.2021 17:10

Recently, Job P951 was completed with the following characteristics: Number of units in the job 100 Total direct labor-hours 100 Direct materials $ 80...

English, 13.01.2021 17:10

How much wood could a woodchuck chuck If a woodchuck could chuck wood? As much wood as a woodchuck could chuck, If a woodchuck could chuc...

Mathematics, 13.01.2021 17:10

. The length of the long-distance calls made by the employees of a company followed a normal distribution with a mean of 6.5 minutes and a standard de...

Chemistry, 13.01.2021 17:10

Methane gas and chlorine gas react to form hydrogen chloride gas and carbon tetrachloride gas. What volume of carbon tetrachloride would be produced b...

Arts, 13.01.2021 17:10

How does this painting combine the style of the ancient Greek and Roman artists with that of the artists of the Middle Ages...

Business, 13.01.2021 17:10

Build a model that shows the details of the 20-year mortgage when the loan amount, APR, and loan date are given. Assume that payments are made on the...

Business, 13.01.2021 17:10

Acme Global has five factories. Three in the United States, one in Germany, and one in India. Each factory is a separate independent business facility...

Physics, 13.01.2021 17:10

A football coach paces back and forth along the sidelines during a close rivalry game. The diagram below shows several of the coachs positions and var...

Physics, 13.01.2021 17:10

What is the approximate momentum of a car with a mass of 1200 kg and a velocity of 30.0 km/h? * A. 13.0 N. S B. 40.0 N. S C.3.60 10...

More questions: Mathematics Another questions