Starting with 195 grams of a radioactive isotope, how much will be left after 3 half-lives?
1 answer:
You might be interested in
For this case we have that the point-slope equation of a line is given by:
Where:
m: It is the slope of the line
It is a point through which the line passes
In this case we have to:
Substituting in the equation we have:
Answer:
We just need to replace the value of the slope
Remember that the degree measure of each exterior angle of a polygon can be found through the formula
where is the number of sides on the polygon.
Since a pentagon has five sides, the degree measures of each of its five sides would be:
Thus, our answer is Choice B, or 72 degrees.