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
20,453,326 questions answered
Popular Conversations
Solve 2x^2 + x - 6 = 0 User: Solve |4x - 8| User: Solve the ...
Weegy: 2x + 1 User: Solve |x| > 5 User: Solve 7x - 4 = 5x + 15 for x.
4/17/2015 9:42:20 AM| 3 Answers
Which of the following statements uses the commutative property of ...
Weegy: C.2 + (3 + 4) = 2 + (4 + 3) User: Simplify (12ab)(3t). Weegy: Answer is 36abt User: Simplify (4x) · mn · 15 ...
4/17/2015 10:33:35 AM| 3 Answers
5x 2 y and 7x y 2 are like terms. True False
Weegy: 7x + 5x = 12x User: Simplify -10x - 2x + 3x. -9x 9x 11x Weegy: -10x - 2x + 3x = -9x User: Simplify 5(x ...
4/17/2015 10:43:33 AM| 3 Answers
what is an antecedent
Weegy: In grammar, an antecedent is an expression (word, phrase, clause, etc.) that gives its meaning to a proform ...
4/17/2015 12:45:24 PM| 2 Answers
Which two superpowers engaged in an arms race during the cold war as ...
Weegy: Which two superpowers engaged in an arms race during the cold war as they competed with each other to acquire ...
4/17/2015 3:21:30 PM| 2 Answers
Weegy Stuff
S
L
Points 712 [Total 2289]| Ratings 1| Comments 702| Invitations 0|Offline
S
L
Points 605 [Total 1172]| Ratings 2| Comments 585| Invitations 0|Offline
S
P
C
L
P
L
1
P
P
1
Points 217 [Total 8094]| Ratings 2| Comments 197| Invitations 0|Offline
S
Points 164 [Total 164]| Ratings 0| Comments 164| Invitations 0|Offline
S
L
1
R
Points 101 [Total 1173]| Ratings 1| Comments 91| Invitations 0|Offline
S
L
Points 101 [Total 3704]| Ratings 0| Comments 101| Invitations 0|Offline
S
1
L
L
Points 72 [Total 8066]| Ratings 0| Comments 72| Invitations 0|Offline
S
1
L
1
Points 43 [Total 3484]| Ratings 1| Comments 33| Invitations 0|Offline
S
Points 35 [Total 35]| Ratings 1| Comments 25| Invitations 0|Offline
S
Points 22 [Total 22]| Ratings 0| Comments 22| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2015 Purple Inc.