dvevrgvevrgrHbhh dvevrgvevrgrHbhh

10-03-2017
Biology

contestada

If 50% of a radioactive element remains after 4000 years, what is its half life

Respuesta :

10-03-2017

4000 years 50% is left that's half and you figure it keeps the same rate of reduction

Answer Link

Otras preguntas

what is the difference between 79.3 and 15.824? Type your answer as a nnumber. Do not round.

Who became a mexican citizen, learned spanish, and convinced the mexican government to appoint him as an empresario so he could sell land to american colonists

Lance Armstrong bikes at a constant speed up the Col d’Izoard, a famous mountain pass. Assume his teammates do such a good job riding ahead of him that he can d

Which sentence conforms to the style guidelines? I love many kinds of music: country, rap, hip-hop, jazz, and rock. His paintings are of: flowers, birds

Ellie uses 12.5 pounds of potatoes to make mashed potattoes. She uses one tenth as many pounds of butter as potatoes. How many pounds of butter does Ellie use?

equation in which the slope equals -5, and the y-intercept equals 7.

The first large-scale empires resulted from all of the following EXCEPT ____.

I need help ! Please help

Decide whether the following situation calls for passive or active listening. You are instructed to listen to a classmate give a speech and provide feedback.

Calculate the length of the circumference of a circle with diameter of 7cm? ~3