* How many term are in the expansion of [(3x^2+7x)^3]^5​

There are 16 terms in the expansion.

Step-by-step explanation:

Number of terms in a binomial expansion:

The number of terms in a binomial expansion

Is n + 1.

Power property:

For a power elevated to another power, we have that:

In this question:

So , then the number of terms is

There are 16 terms in the expansion.

its electric no smoke

step-by-step explanation: