chasityhainline3727 chasityhainline3727

19-05-2022
Chemistry

contestada

A radioactive isotope has a half-life of 9 hours. find the amount of the isotope left from a 360-milligram sample after 36 hours. if necessary, round your answer to the nearest thousandth.

Respuesta :

jsimpson11000 jsimpson11000

19-05-2022

Answer:

22.5 mg

Explanation:

36 hrs / 9 hr/half life = 4 half lives

(1/2)^4 * 360 = 22.5 mg

Answer Link

Otras preguntas

suppose the correlation coeffecient

Why is the answer B?

"a monopolist earns $50 million annually and will maintain that level of profit indefinitely, provided no other firm enters the market. if another firm successf

A client complains of severe low back pain that began shortly after the death of the client's mother 2 years ago. no physical cause has been found to account fo

HURRY PLS Fascism’s stress on the greatness of the nation may have appealed to Germans who were truggling with high inflation anxious to recover from the devast

The figure shows five points. A point has been translated right and up. Based on the graph, which statements about the points could be true? CHECK ALL THAT APP

need help ASAP PLEASE!!!!!!!!!!!!!!!!!!!!!!

Name a metal which is yellow in color ??

In which part of a newspaper would you find articles that express opinions that may not agree with those of the editor? A. el editorial B. la columna de conse

Sabrás más después de que ___________ el anuncio clasificado. A. contestarás B. contestes C. contestas D. contesten

ACCESS MORE