I am stuck on this math problem and need help please!

Multiply
(-4n)^2(3n^4)^2

In multiplication, I am supposed to add the square roots
So far I got (16n)(3n^4)^2
I don't know what to do from here

I don't see any square roots in your question.

(-4n)^2 *(3n^4)^2 = 16n^2 * 9 n^8 = 144 n^10

To multiply the given expression (-4n)^2(3n^4)^2, you need to apply the exponent rules and simplify the expression step by step. Let's break it down:

Step 1: Simplify the individual exponents:
(-4n)^2 can be expanded as (-4n)(-4n) = 16n^2
(3n^4)^2 can be expanded as (3^2)(n^4)^2 = 9n^8

Step 2: Multiply the simplified expressions:
Multiply 16n^2 and 9n^8:
16n^2 * 9n^8 = 144n^(2+8) = 144n^10

Therefore, the final answer is 144n^10.

In summary, to multiply the expression (-4n)^2(3n^4)^2, you first simplify the exponents within the parentheses, then multiply the simplified expressions.