It is given that if a die is tossed 3 times.
Recall the fundamental principle of counting
The fundamental principle of counting states that the total number of possible outcomes of a series of decisions is found by multiplying the number of choices for each as follows:
1) Draw a box for each decisoon
2) Enter the number of choices for each decison in the box
A die is tossed 3 times
Possible outcomes of rolling 1 die = 6
Possible outcomes to rolling 3 dir = 6 x 6 x 6
Total number of possible outcomes = 18