NenaDelBarrioF109 NenaDelBarrioF109

12-10-2017
Mathematics

contestada

Suppose you have a cache of radium, which has a half-life of approximately 1590 years. how long would you have to wait for 1/5 of it to disappear?

Respuesta :

Kalahira Kalahira

21-10-2017

You would have to wait 318 years for 1/5 (20%) of the Radium to disappear. 1590 is the point where half of the Radium would decay, so if you take 20% of that, it would equate out to 318 years. Radium has a long half life!

Answer Link

Otras preguntas

In "As Rich as Croesus," how does Croesus feel when Solon suggests that poor working people are happier than Croesus? A:worried and scared B:jealous and vengefu

Please help me Show your work 10 points

What is the difference between -4 and -14

Explain how a leaf is adapted for photosynthesis

How does phenolphthalein work as an indicator

The tendency of a group discussion to strengthen the dominant positions held by individual group members is known as _____.

At an uncontrolled intersection, you should yield to the car on the right. True or false.

If yuri has 20 books in each shelve and there are 6 bookshelves how many book are in the bookcase

The earlier years of the Middle Ages began with Question 2 options: the Crusades. the search for new trade routes. the Renaissance. the collapse of the Roman Em

Which process is part of modern laboratory genetics? A. Natural Selection B. Evolutionary Manipulation C. Dna Engineering D. Selective Breeding