Can you help me solve this last part of my statistics problem? I'm really confused on how to get the answer?

In a state's pick 3 lottery game, you pay $1.33 to select a sequence of three digits (from 0 to 9), such as 800. If you select the same sequence of three digits that are drawn, you win and collect $496.69. Complete parts a through d. (D is what I had problems with) A. How many different selections are possible?... show more In a state's pick 3 lottery game, you pay $1.33 to select a sequence of three digits (from 0 to 9), such as 800. If you select the same sequence of three digits that are drawn, you win and collect $496.69. Complete parts a through d. (D is what I had problems with)
A. How many different selections are possible? I got 1,000.
B. What is the probability of winning? I got .001
C. If you win, what is your net profit? I did 496.69-1.33 and got $495.36.

D. Find the expected value and round to the nearest hundredth as needed.
This part really confused me. Please help?
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