Annie is participating in a winner-take-all world series of poker tournament that costs 10 thousand rands to enter. The prize for winning the tournament is 500 thousand rands. Annie estimates that there is a 1 % chance that she will win the tournament. Find the expected value of entering the tournament for annie.

The point on the celestial sphere directly above an observer's head is called the

Which of these are characteristics of a scientific law? check all that apply. it contains an explanation of facts. it states a fact about how nature works. it is based on observations of nature. it often changes over time with new experiments and technology. it explains why a group of hypotheses are related. it will most likely remain true even when scientists work with new experiments.

Need to be done asap (picked sat because could not find sience)