Question

How do you simplify `(-3) (-3)^6`?

Answer 1

`-2187`

Explanation:

Consider `(-3)^6 -> (-3)^2xx(-3)^2xx(-3)^2`

Each of the `(-3)^2` is positive

So #(-3)^6 = (+3)^6

Consequently `(-3)(-3)^6 = -(3^7) =-2187`