Maybe this will help! (:
https://youtu.be/1wPJfzStBqE
Answer: 19 questions wrong, 16 questions right
Step-by-step explanation:
Answer:
- Initial amount of the material is 67 kg
- Hal-life is 83 hours
<u>The required equation is:</u>
- m(x) = 67 *
, where m- remaining amount of the radioactive material, x - number of hours
<u>After 5 hours the material remains:</u>
- m(5) = 67 *
= 64.260 (rounded)
The correct answer is 2 over 12 because you can simplify it
The answer is -3 because - and - are together plus