Answer:
-256
Step-by-step explanation:
−4^4
=−4^4
=−1*4^4
=−1*(4*4*4*4)
=−256
[tex]a^n=\underbrace{a\cdot a\cdot a\cdot ...\cdot a}_{n}\\\\-4^4=-\underbrace{4\cdot4\cdot4\cdot4}_{4}=-256\\\\\text{but for}\ (-4)^4\ \text{we have}\\\\(-4)^4=(-4)\cdot(-4)\cdot(-4)\cdot(-4)=256[/tex]