Question

Simplifying positive expressions in multiplication.

Simplify.
(3y)4
Write your answer without parentheses.

Answer 1

`81y^4`

Explanation:

You can start by separating the inside terms:

`(3y)^4 = (3)^4(y)^4`

Then notice

`3^4=3*3*3*3=81`

So

`(3)^4(y)^4=81 y^4`

Answer 2

(3y)4
3y*4
3*4y
Answer - 12y