shenaeleah shenaeleah

01-03-2021
Physics

contestada

A radioactive isotope has a half-life of 20 hours. How long will it take for 3/4 of the source to decay?

Respuesta :

odetayojomiloju odetayojomiloju

01-03-2021

Answer:

40 hours

Explanation:

in 20 hours, 1/2 will decay

in 40 hours, 1/4 will decay

therefore, 40 hours

Answer Link

Otras preguntas

Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?

1,352 pounds is what fraction short of a ton? A) 169/250 B) 77/100 C)13/20 D140/223

I need a Amazon tribe name please! Need for Monday

What challenges did the californios face?

A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter

What organs work with skin?

what does the zeppelin

Identify the turning point of the function f(x)=x^2-2x+8 by writing its equation in vertex form. Show work

Identify the turning point of the function f(x)=x^2-2x+8 by writing its equation in vertex form. Show work

how do u divide 16 by 3/5