Question and answer
Question not found
Ask a question
Not a good answer? Get an answer now. (Free)
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
A rubidium isotope has a half-life of almost 50 billion years. Given that scientists estimate Earth's age to be 4.6 billion years, what is the most likely percentage of parent to daughter isotopes of this element currently existing on Earth?
Weegy: C. 23.5?. Currently, Earth's tilt is closest to 23.5?. User: Which of the following processes causes the greatest loss of mass within an atom? A. Alpha decay B. Beta decay C. Electron capture D. Gamma emission Weegy: A. Alpha decay (More)
Question
Expert Answered
Asked 8/8/2012 11:53:37 PM
0 Answers/Comments
The half-life of carbon-14 is 5,730 years. How many grams of parent material will remain from a 100-gram sample of carbon-14 after 2 half-lives? A.75 B.6.25 C.12.5 D. 25
Weegy: A.75 User: Potassium-40 has a half-life of approximately 1.25 billion years. Approximately how many years will pass before a sample of potassium-40 contains one-fourth the original amount of parent isotope? a. 1.25 billion b. 2.5 billion c. 3.75 billion d. 5 billion Weegy: b. 2.5 billion (More)
Question
Expert Answered
Asked 8/9/2012 12:14:59 AM
0 Answers/Comments
You are given a box of 100 silver dollars, all facing "heads" up. You are instructed to shake the box 3 times; after each shake, you will remove all the dollars that are "heads up" before shaking again. You may keep all the dollars that are still tails up following the third shake. How many dollars will you most likely get to keep?
Weegy: 12 silver dollars. User: Scientists estimate Earth's age to be 4.6 billion years. Samarium has a half-life of approximately 106 billion years. From the present date, approximately how many more years must pass before a sample of samarium that was created at the beginning of Earth's history contains 50 percent of the original parent material? a. 1 billion b. 10 billion c. 100 billion d. 1,000 billion Weegy: c. 100 billion (More)
Question
Expert Answered
Asked 8/9/2012 12:10:35 AM
0 Answers/Comments
17,933,520 questions answered
Popular Conversations
Manhattan Island is __________. A. the largest island in Canada B. ...
Weegy: the manhattan island is the most highly populated island in north america. letter D would be the best answer. ...
10/22/2014 8:51:05 AM| 9 Answers
Arabian glass, which authorities believe appeared in the second half ...
Weegy: Obsidian, which was used by early man to make arrowheads, is a naturally occurring glass. 'which was used by ...
10/22/2014 10:45:16 AM| 3 Answers
What is the center of the circle that has a diameter whose endpoints ...
Weegy: The center of the circle that has a diameter whose endpoints are (2, 7) and (-6, -1) is (-2, 3) User: ...
10/22/2014 10:50:52 AM| 3 Answers
Perform the indicated operation. (8c 2 - 2c - 15) ÷ (4c + 5) = ...
Weegy: 3-3 = 0 User: Cool Scoops ice cream shop offers 60 different one-topping sundaes. If there are 12 flavors of ...
10/22/2014 11:16:59 AM| 3 Answers
Which kingdom contains only ...
Weegy: Which kingdom contains only producers? - D. Plantae
10/22/2014 7:29:36 AM| 2 Answers
Which words in the sentence make up the adjective phrase? Which word ...
Weegy: Which words in the sentence make up the adjective phrase? Which word does the adjective phrase modify? Bees ...
10/22/2014 9:30:59 AM| 2 Answers
Weegy Stuff
S
L
1
1
1
1
L
1
L
Points 2349 [Total 14724]| Ratings 0| Comments 2349| Invitations 0|Offline
S
L
1
L
P
C
1
P
C
1
L
Points 1519 [Total 11000]| Ratings 4| Comments 1479| Invitations 0|Offline
S
1
L
1
L
P
P
L
Points 823 [Total 13052]| Ratings 0| Comments 823| Invitations 0|Offline
S
L
Points 520 [Total 1919]| Ratings 0| Comments 520| Invitations 0|Offline
S
1
L
L
Points 483 [Total 6277]| Ratings 3| Comments 453| Invitations 0|Offline
S
Points 482 [Total 482]| Ratings 0| Comments 452| Invitations 3|Offline
S
Points 414 [Total 415]| Ratings 6| Comments 354| Invitations 0|Offline
S
Points 246 [Total 246]| Ratings 1| Comments 236| Invitations 0|Online
S
P
C
L
P
L
1
Points 48 [Total 6282]| Ratings 0| Comments 48| Invitations 0|Offline
S
Points 27 [Total 27]| Ratings 0| Comments 27| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.