Why is line 11 = 1? I feel like I'm missing some math rule...

Question

https://code.sololearn.com/cKMykOhd8qvE/?ref=app

Answer 1

negative 1 to an even power is positive 1.
For example, (-2)*(-2)=+4

Answer 2

Any number? It's * a 6 digit #...

Answer 3

6 to the power of 7 is a 6 digit even number.

Answer 4

w(-1) raised to this large even power gives +1.