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
19,262,326 questions answered
Popular Conversations
Which of the following sentences is written in the passive voice? ...
Weegy: The sentence with the active voice is: The chairman told me that the legislature passed the bill. User: ...
1/31/2015 11:17:44 AM| 2 Answers
How long was George Washington a president?
Weegy: George Washington (February 22, 1732 [O.S. February 11, 1731] ? December 14, 1799) was the first President of ...
1/31/2015 1:03:26 AM| 1 Answers
Weegy Stuff
S
1
L
L
Points 36 [Total 7102]| Ratings 1| Comments 26| Invitations 0|Offline
S
L
P
L
P
Points 36 [Total 6811]| Ratings 0| Comments 36| Invitations 0|Offline
S
Points 6 [Total 151]| Ratings 0| Comments 6| Invitations 0|Offline
S
Points 4 [Total 69]| Ratings 0| Comments 4| Invitations 0|Offline
S
L
Points 3 [Total 2124]| Ratings 0| Comments 3| Invitations 0|Offline
S
1
L
1
L
P
P
L
P
P
Points 2 [Total 15784]| Ratings 0| Comments 2| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.