How many terms are in the binomial expansion of (3x 5)9?

 The number of terms in the binomial expansion of is 10.

Step-by-step explanation:  We are given to find the number of terms in the following binomial expansion:

We know that

the number of terms in the binomial expansion of is given by

In the given binomial expansion (i), we have

Therefore, the number of terms in the given binomial expansion will be

Thus, there are 10 terms in the binomial expansion of