Answer:
n = 9
Step-by-step explanation:
Note that
256 = [tex]2^{8}[/tex], thus
[tex]2^{n-1}[/tex] = [tex]2^{8}[/tex]
Since the bases on both sides are equal (2) equate the exponents
n - 1 = 8 ( add 1 to both sides )
