Estoria29 Estoria29

02-02-2017
Biology

contestada

After three half-lives, a sample contains 20 grams of parent isotopes. How many grams of the parent isotope were present to start?

Respuesta :

MimzyTheDragon MimzyTheDragon

02-02-2017

160 grams i believe. have a good day

Answer Link

Otras preguntas

What skill best prepared Dwight d. Eisenhower for helping resolve conflicts between leaders of national armies?

An important financial center in Europe is

$1000 is taken out of a bank vault each day and nothing is added back. Which of the following models this situation? linear function with a negative rate of cha

Fat burning how to do best

Choice of medium allows the artist to ________________

Which best describes how a recession develops as demand and production decreases?

In a large city experiencing urban blight, we would be surprised to find

The moon will always appear over the eastern horizon at the same time each night. true or false

What does the free exercise clause NOT protect?

How is the pope similar to and different from other bishops?