benjamin8 benjamin8

03-11-2017
World Languages

contestada

After two half-lives how much of the original isotope

Respuesta :

nahitzKaelin nahitzKaelin

03-11-2017

Ou of these options 50% 25 % 6.25% 2% 0.39%. The answer is 25%

Answer Link

princess214 princess214

05-11-2017

I think answer would be 25%

Answer Link

Otras preguntas

What is the first 30 numbers of pi?Last one Promise!

There were 75 rocks is Boxes A,B, and C. After moving 28 rocks fro Box A to B, 24 rocks from B to C, and 19 rocks from C to A,there was an equal number of rocks

Why was nature so important to Anne Frank? (The Diary of Anne Frank) Please help!!!

which number will make the fractions equivalent 25/35

colby wants to set sqaure tiles on the top of a box the top of the box is a rectangle 71/2 inches long and 51/2 inches wide how many 1/2 inch tiles would he nee

Identify true statements. (a) A sequence is either arithmetic or geometric. (b) An arithmetic sequence is either increasing or decreasing if common difference i

Name two things found in a plant cell that are not found in an animal cell.

How was society organized in the Middle Ages?

Who were the 'KKK' and what were there intentions? (Teacher didn't tell me)

Who do you think snitched on Anne Frank and her family?