Kelly simplified this power of a product. (7w–9)–3

1. 7–3∙(w–9)–3

2. 1
343
w27

Use Kelly’s steps to simplify this expression.

(5w7)2

What is the simplified power of the product?
5w9
10w14
25w9
25w14

Great freights a local shipping company, bases its charges on the weight of the items being shipped. in addition to changing 0.40$ per pound, great freights also charges a one-time fee of 10$ to set up a customers account.