In order to figure out what N is you have to isolate it by dividing by 50 on both sides as shown below:
If one half life is the amount of time it takes for a radio active isotope to decay by a factor of 2, approximately which percen
1 answer:
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To find the difference of given expression:
First step is to subtract the whole number5 and 3.
So, 5 - 3 = 2.
Now we can find the difference of fractions.
To subtract the fractions , we need to find the common denominator.
Common denominator of 3 and 5 is 15.
So, we need to make both the denominator equal to 15.
Similarly,
Therefore,
=
=
So, the difference of given expression is .
So, the correct choice is C.