Top Posters
Since Sunday
6
s
3
3
d
3
s
2
c
2
G
2
y
2
t
2
2
k
2
j
2
New Topic  
Chery Chery
wrote...
Posts: 3587
7 years ago
How long would it take 4.00 × 1020 atoms to decay to 1.00 × 1019 atoms if their half-life was 14.7 years?
A) 29.4 years
B) 58.8 years
C) 78.2 years
D) 147 years
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 253 times
2 Replies
Replies
Answer verified by a subject expert
lyalllyall
wrote...
Top Poster
Posts: 626
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
Looked all over the internet for this, thank you for answering correctly
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  956 People Browsing
Related Images
  
 97
  
 103
  
 246
Your Opinion
Do you believe in global warming?
Votes: 422