The amount of the radioactive substance is 374.6 g
<h3>How to determine the amount of
radioactive substance?</h3>
The given parameters are:
- Initial, a = 424 mg
- Rate, r = 6%
- Time, t = 2 hours
The amount of the radioactive substance is calculated as:
A(t) = a(1 - r)^t
This gives
A(t) = 424 * (1 - 6%)^t
At 2 hours, we have:
A(2) = 424 * (1 - 6%)^2
Evaluate
A(2) = 374.6
Hence, the amount of the radioactive substance is 374.6 g
Read more about exponential functions at:
brainly.com/question/2456547
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The answer is letteer C. You just have to multiply 9 and pi
32*1.2=38.4 (.2 is the 20%, and the 1 adds the percent to the original cost making it a mark up)
If you divide 18 and 6 you will get three so three times 1254 equals 3,762 card that he saw
You should use this app called photomath!! it will give you the answer to the equation and there is a show work option and if you press it, it will show the work for u :)
