This is a fairly easy half-life problem
Each half-life reduces the radioactive material by one half.
So after 72 hours the radioactive material would have undergone 6 half-lives.
2^6 = 64.
So, there will be one sixty-fourth of the material left.
520 / 64 = 8.125 grams will remain.
radioactive decay is an exponential decay function.
Source:
http://www.1728.org/halflife.htm
Answer:
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Answer:
4
Step-by-step explanation:
4-2
The coach can buy 16 uniforms with $4.50 left.
$475-6.50=$468.5÷29=16 R4.5
