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 evidence in the declaration is there of religious faith? How do you think this religious faith influenced the ideals expressed in the declaration

Slope= 1/5, y-intercept=1

What is the volume of a rectangular box that has base area of 75 square inches and a height of 20 inches

What is the volume of a rectangular box that has base area of 75 square inches and a height of 20 inches

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

what type of reaction produces a metal from its metal oxide

The surface area of a triangular pyramid is 375.2 m2. What would change if the surface area were measured in square centimeters?

What is NAFTA? What countries are involved?

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

A basketball has been left out in the cold. The next day you find that it has become soft. What do you do to get it back to shape and why?a) Leave it alone to w