Question

consider the expansion (m+n)^25. whats the exponent of n in the 3rd term

Answer 1

so would the 26th term be 26?

Answer 2

no , 25
exponent can't be bigger than 25

Answer 3

consider the expansion (y+4)^9 whats the exponent of n in the 4th term

Answer 4

would that be 4?

Answer 5

It would be 3. You need to count the 0th exponent as well