Which expression is equivalent to
A: -4^8
B: -8^4
C: (- 8) ^4
(-4) ^ 8

Answer:
A: -4^8
Step-by-step explanation:
-A negative number times a positive number results to a negative number.
-The first term of the expression is a negative while the last 4 parts are negative.
-The last 7 terms results to:
[tex]x^n=x^n\\\\=4^7[/tex]
We multiply by the first term:
[tex](-4)^1\times 4^7\\\\=-4^8[/tex]
Hence, A is the correct option [tex]-4^8[/tex]