A= 2 to the power of -1
Because if it's the same base no in multiplication we add the indices and in division we subtract the indicies
i'm sorry but can you put in more details as to what each item costs, if it is just variables then it should be something like b times the amount bought plus c times the amount bought. without the costs i cannot actually give you how much she spent
Hey!!
the answer is 0.02 !.
if helped, brainliest
Option B. 2 because 2-8
------- = -3
2
