25 points-
find the expected value of the winnings from a game has the following payout probability distribution:
expected value = [? ]
round to the nearest hundredth

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?