Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
New Topic  
OldSpice OldSpice
wrote...
Posts: 6432
9 years ago
Scientists have analyzed charcoal from Stonehenge by radiocarbon dating and found that the activity is about 9.5 dpm per gram of carbon. If carbon-14 has an activity of 15.3 dpm, what is the estimated age of the charcoal? (t1/2 = 5730 years)
A) ~9 years
B) ~3800 years
C) ~5700 years
D) ~10,000 years
E) ~50,000 years
Read 374 times
3 Replies
Replies
Answer accepted by topic starter
ElectricElectric
wrote...
Top Poster
Posts: 6431
9 years ago Edited: 2 years ago, bio_man
Sign in or Sign up in seconds to unlock everything for free
.silent.boss

Related Topics

OldSpice Author
wrote...
9 years ago
Perfect!

..Thank you so much for your support
wrote...
9 years ago
My pleasure
.silent.boss
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1224 People Browsing
Related Images
  
 4430
  
 330
  
 196
Your Opinion
How often do you eat-out per week?
Votes: 79