Register
alayn h uderstands the half life of a certain substance is 90days. how long would it take for 80lbs of her substance to be reduced to 20lbs
17.6k views
25 votes
alayn h uderstands the half life of a certain substance is 90days. how long would it take for 80lbs of her substance to be reduced to 20lbs

User Tyler Wall
by
3.2k points

1 Answer

10 votes

Answer:

135 days...............

User Yanhua
by
3.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.5m questions

4.5m answers

Other Questions

How does the value of the electrostatic force vary with the value (how many) of the charges?
What is the application of physics ​
A car is moving 14.4 m/s when it hits the brakes. It slow from 78.8 m, which take 9.92s. It then accelerates at 1.83 m/s 2 for 4.50 s. What is the total displacement?
A charge Q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of length d. At a point P that is 1.25 cm outside the sheet, the magnitude of the electric
If you use 750 Newtons of force to accelerate an object to 3.1 m/s​ . What is the object’s mass?
Link Copied!