S22400589 S22400589

04-05-2020
Mathematics

contestada

If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?

Respuesta :

abrienbowman7 abrienbowman7

04-05-2020

Answer:

192 Hr

Step-by-step explanation:

Answer Link

cuentaprivada046 cuentaprivada046

04-05-2020

Answer:

it would be 176hrs of half life

Answer Link

Otras preguntas

prefix ,ir, dis, un ,ok what is the difference b/n them

HELP ME THIS IS MY LAST QUESTION

please Explain your answer! thank you

HElP In which way could Christian men in the Ottoman empire advance through social and political ranks? They could marry into prominent Muslim families. They co

Unlike the economies of Japan and India, the economy of North Korea is A. Almost entirely run by the government B. Has limited military spending C. Is based

In the 1860 election, how many different presidential candidates won electoral votes?

Karita had $138.72 in her checking account. She wrote checks for $45.23 and $18.00. Then she made a deposit of $75.85 into her account

In the 1830s, where was the cotton manufacturing center of the world?

How did city life change during the last 1800s and early 1900s?A.Neighborhoods became more crowded.B.Improved sanitation slowed the spread of disease.C.Urban wo

which of these organs is not found in the digestive system A.urethra B.small intestine C.stomach D.large intestine The real subject is science