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
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 25 percent of the original parent material? 10 billion 26 billion 100 billion 206 billion
Weegy: 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 25 percent of the original parent material? Answer: 100 billion ] (More)
Question
Expert Answered
Asked 1/21/2013 1:58:34 PM
0 Answers/Comments
23,873,042 questions answered
Weegy Stuff
S
Points 255 [Total 652] Ratings 0 Comments 255 Invitations 0 Offline
S
P
P
Points 178 [Total 985] Ratings 0 Comments 178 Invitations 0 Offline
S
1
L
L
P
R
P
L
P
Points 117 [Total 11290] Ratings 0 Comments 117 Invitations 0 Offline
S
L
P
Points 46 [Total 2114] Ratings 0 Comments 46 Invitations 0 Offline
S
R
Points 9 [Total 445] Ratings 0 Comments 9 Invitations 0 Offline
S
Points 7 [Total 291] Ratings 0 Comments 7 Invitations 0 Offline
S
Points 4 [Total 904] Ratings 0 Comments 4 Invitations 0 Offline
S
Points 4 [Total 4] Ratings 0 Comments 4 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 1 [Total 2] Ratings 0 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)