Respuesta :

I would say n ≈ -1

a cell phone weighs less than a pound, so the reasonable answer would be   n ≈ -1

If you substitute -1 in it will look like this.

[tex]2.8 *10^{-1} =0.28[/tex] pounds

Answer:

-1

Step-by-step explanation:

I took the quiz :)