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Hope this is what you are looking for!
Hope this is what you are looking for!
If i am twice the age of my sister but she is 10 years young then my brother who is 36 how old am I
2 answers:
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Answer:
The correct answer is:
Between 600 and 700 years (B)
Step-by-step explanation:
At a constant decay rate, the half-life of a radioactive substance is the time taken for the substance to decay to half of its original mass. The formula for radioactive exponential decay is given by:
First, let us calculate the decay constant (k)
Next, let us calculate the half-life as follows:
Therefore the half-life is between 600 and 700 years