Firstly, note that [tex](ab)^n=a^nb^n[/tex]
In our case, this means:
[tex](-2x)^4=(-2)^4(x)^4[/tex]
Any negative number to a even power will result in a positive number. Therefore
[tex](-2)^4=2^4=16[/tex]
So the answer is:
[tex]\boxed{(-2x)^4 = 16x^4}[/tex]
Letter E
