Question

i need help idk what to do
1.(3a4)3

2.(-2x3y)4

3.(-mn8)2

4.(3x3y)2(-4x2y4)3

Answer 1

1.
\[ (3a^4)^3=(3a^4)(3a^4)(3a^4)=9a^{12}\]

Answer 2

can u elp with any more?

Answer 3

2.\[(-2x^3y)^4=(-2x^3y)(-2x^3y)(-2x^3y)(-2x^3y)=\cdots\]

Answer 4

if there all -2 dose that make them a +?

Answer 5

\[-2\times-2\times-2\times-2\times=+16\]

Answer 6

and how would i do 3 and 4
there not the sam as 1 and 2