Answer:
2000 points
Explanation:
Given:
Number of questions in a study guide (Q) = 100
Number of points for 1 question (n) = 20
Now, total number of points is calculated using unitary method by multiplying number of questions and number of points in one question.
Therefore, the total number of points is given as:
Total points =

Total points =

Total points =

Hence, the study guide is worth 2000 points.