menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
300 g of an unknown radioactive substance decays to 112 g after 180 seconds. What is the half-life of this substance? ight now that the noobs are gone, any late nigh peeps still awake?
asked
Dec 8, 2022
48.0k
views
5
votes
300 g of an unknown radioactive substance decays to 112 g after 180 seconds. What is the half-life of this substance?
ight now that the noobs are gone, any late nigh peeps still awake?
Mathematics
high-school
Shanika Ediriweera
asked
by
Shanika Ediriweera
7.0k
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
5
votes
Answer: 2.1 minutes
Step-by-step explanation:
The half-life equation states that,
A=A0⋅(1/2)t/t0.5
A0 is the initial amount of substance
t is the time
t0.5 is the half-life of the substance
Hmadrigal
answered
Dec 13, 2022
by
Hmadrigal
7.1k
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.
8.1m
questions
10.7m
answers
Other Questions
What is .725 as a fraction
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)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org