What is 965,000,000,000,000 in scientific notation

Can some one me with these questions

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work