Find the value of the following expression: (2^8 . 3^-5 . 6^0)^-2 . (3^-2/2^3)^4 . 2^28
Write your answer in simplified form. Show all of your steps.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?