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

what were the four main causes of the Cold War

What is NAFTA? What countries are involved?

How did southeast asia's colonial history produce increased tensions in vietnam ?

How many corners are in a rectangle and how many flat faces

Why did the settlers go to new mexico during manifest destiny?

What features of the Chinese form of government did the mongols adopt?

use the function rule, y= 2x+5, to find the values of y when x =1,2,3,4. write the answers as ordered pairs that would be used to graph the function. show your

I would like to know if 200 cm is greater or less than 3 m

What is NAFTA? What countries are involved?

how many minutes is it before 12 noon if 20 minutes ago it was three times as many minutes after 9 am