monyea124 monyea124

24-05-2017
Biology

contestada

The half-life of radon-222 is about four days. How long will it take for a sample of radon-222 to decay to 3% of its original amount?

Respuesta :

joehalford joehalford

27-05-2017

-50% = 4 days
4/50= days to decay by 1%
4/50 *3 = 3% loss = 0.24 days = 5.76 hours

Answer Link

Otras preguntas

what is the best geographical feature for people to live in or near and WHY?

Whose mission is to build healthier lives, free of cardiovascular disease and stroke?

Which number line represents the solution set for the inequality 3(8 – 4x) < 6(x – 5)?

What is strong detailed verb for moving

What is the intersection of the sets A = {2, 3, 5, 7, 11} and B = {5, 11, 13, 15, 17}? A. {5, 11} B. {2, 3, 5, 7, 11, 13, 15, 17} C.

The total cost of a pair of jeans and three shirts is $114. The shirts each cost the same amount, and the jeans are $45. What is the price per shirt?

How does a cells shape help it perform?

Can anyone explain this to me and how you got the answer please?

how does immigration effect the labor market

A gardener is estimating the amount of mulch needed for two garden beds there is no room to store extra mulch is it better to estimate a greater or lesser amoun