Answer:
22
the sixth number of them is the median
This gives no information, how many of each were sold
-v6,-23,2,2.5
Correct to ascending order
I'm assuming you meant to write 8^(-2) or
where the -2 is the exponent over the 8.
If my assumption is correct, then we use the rule 
So,

<h3>Answer: Choice D. 1/64</h3>