Answer:
I would say that that is actually a perfect explanation of a square.
62.5 mg sample will remain after 240 days
Step-by-step explanation:
Given
Half-life = T = 60 days
The formula for calculating the quantity after n half lives is given by:

Here
N is the final amount
N_0 is the initial amount
n is the number of half lives passed
The number of half lives are calculated by dividing the time for which the remaining quantity has to be found by half life
The quantity has to be calculated for 240 days so,

Given

Putting the values in the formula

Hence,
62.5 mg sample will remain after 240 days
Keywords: Half-life, sample
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Look up math way and type it in its free and it will help alot.
Answer:
the answer is 23. even tho it says he had 30 at the time you must subtract 7 because thats what he started with. hope i could help! :D
Step-by-step explanation: