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  
Chery Chery
wrote...
Posts: 3587
7 years ago
A radioactive sample has a half-life of 10 min.  What fraction of the sample is left after 40 min?
A) 1/2
B) 1/4
C) 1/8
D) 1/16
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 330 times
2 Replies
Replies
Answer verified by a subject expert
slicealemonslicealemon
wrote...
Top Poster
Posts: 930
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Chery Author
wrote...
7 years ago
I needed this so much, thanks
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1231 People Browsing
Related Images
  
 77
  
 224
  
 2662
Your Opinion
How often do you eat-out per week?
Votes: 79

Previous poll results: What's your favorite coffee beverage?