SOLUTION: A certain substance decomposes and loses 20% of its weight each hour.If there is originally 4,000 grams of this substance, how much remains After 5 hours?
Algebra.Com
Question 363534: A certain substance decomposes and loses 20% of its weight each hour.If there is originally 4,000 grams of this substance, how much remains After 5 hours?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
4,000(1-.20)^5
4,000(.80)^5
4,000*.328=1,310.72 GRAMS ANS.
RELATED QUESTIONS
The weight, w, of a certain substance varies directly with the volume, v, of the... (answered by stanbon)
Substances X and Y decompose at a rate proportional to the amount present.
Tests shows... (answered by Boreal,jorel1380)
given that the half life of a certain radioactive substance s 20 days and there are 5... (answered by KMST)
What is the half-life of a 5g radioactive substance that decomposes at a rate of... (answered by ankor@dixie-net.com)
The weight Wt grams, of radioactive substance remaining after t years is given by... (answered by solver91311)
A substance decomposes radioactively. It's half-life is 26 years. How much of the... (answered by ankor@dixie-net.com)
The half-life of a certain radioactive substance is 15 years.
Suppose that at time t =... (answered by ankor@dixie-net.com)
Suppose that 5 grams of a radioactive substance decreases to 4 grams in 30 seconds. What (answered by Fombitz)
In 1995, Ebenezer Bosticle created a salt sculpture that weighed 2,000 pounds. If this... (answered by ankor@dixie-net.com)