Understanding Binomial Coefficients

What is the value of any non-zero number raised to the power of zero?

When expanding the square of a binomial, which method involves distributing each term of the first binomial across the second?

What is the coefficient of x^3y^2 in the expansion of (x + y)^5?

How do you determine the number of bit strings of length n with weight k?

In the expansion of (x + y)^5, what is the coefficient of x^2y^3?

What is the coefficient of x^7y^5 in the expansion of (x + y)^12?

In the expansion of (x + 2)^15, what additional step is needed compared to (x + y)^n?

What is the coefficient of x^10 in the expansion of (x + 2)^15?

In the expansion of (x + 2)^15, what is the value of 2 raised to the power of 5?

What is the sum of the exponents in any term of the expansion of (x + y)^n?