Question: I just need help on the top question. I understand how to get the probability but I don't understand how to find the expected value.

I just need help on the top question. I understand how to get the probability but I don't understand how to find the expected value. If you can answer it and show how that would be greatly appreciated

A lottery ticket has a grand prize of $30.5 million. The probability of winning the grand prize is .000000044. Determine the expected value of the lottery ticket. (Round your answer to 3 decimal places.) Expected value $ Would you pay $1 for a ticket? No Yes

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