Sam is the captain of an academic team in the class. A teacher will choose 6 of the 25 students in the class to be on an academic team. How many ways can 6 students be chosen as a team from this class given that Sam must be one of those students?

42,504 ways to choose a team.

Step-by-step explanation:

The order in which the students are selected is not important. So we use the combinations formula to solve this question.

Combinations formula:

is the number of different combinations of x objects from a set of n elements, given by the following formula.

In this question:

Sam

And 5 students from the remaining 24.

Then

42,504 ways to choose a team.

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons