Help.
Find the rule.
Solve for n

Which of the following statement about pascal's triangle are true?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

What is coefficient of the term of degree of degree 5 in the polynomial below