Mathematics
Mathematics, 27.05.2021 14:00, aidy3259

Element X is a radioactive isotope such that every 13 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 90 grams, how long would it be until the mass of the sample reached 62 grams, to the nearest tenth of a year?

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:30, laahmiisy
Solve for x and y: 217x + 131y = 913; 131x + 217y = 827
Answers: 1
image
Mathematics, 21.06.2019 21:30, oliup567
(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.
Answers: 2
image
Mathematics, 22.06.2019 03:30, underswap25
Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.
Answers: 3
image
Mathematics, 22.06.2019 04:00, jaylynomalley
In a fruit survey, 300 children choose their favorite fruit out of apples, bananas, and watermelon. 150 chose apples and 90 chose bananas. what percent chose watermelon?
Answers: 1
Do you know the correct answer?
Element X is a radioactive isotope such that every 13 years, its mass decreases by half. Given that...

Questions in other subjects: