85 is the correct answer.

where

is the mean. Since


you have variance

and so the standard deiviation is
Answer:
1, 2, 4, 8, 16, and 32
Step-by-step explanation:
I want to buy 7 apples and they cost $0.30 a piece how much do I have to spend on apples this makes sense because the person in the problem is not purchasing a large quantity and is not unusual product for people to buy