(7 x 10^8)(8.2 x 10^-3)? I need something like this as an __ x 10^__

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?