menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Only 10% of the carbon-14 in a wooden bowl remains. How old is the bowl(rounded to the nearest hundred years, and use 5700 years as a carbon-14's half-life)?
asked
Nov 8, 2018
226k
views
0
votes
Only 10% of the carbon-14 in a wooden bowl remains. How old is the bowl(rounded to the nearest hundred years, and use 5700 years as a carbon-14's half-life)?
Mathematics
middle-school
Yogesh Mangaj
asked
by
Yogesh Mangaj
8.7k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
2
votes
.5=e^-5700k
ln .5=ln e^-5700k=-5700k ln e=-5700k
k=.00012160476
.1=e^-.00012160476t
ln .1=ln e^-.00012160476t=-0.00012160476t ln e=-0.00012160476t
t=18,935 years as the age of the bowl
Javier Haro
answered
Nov 12, 2018
by
Javier Haro
7.7k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
8.7m
questions
11.4m
answers
Other Questions
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org