8 When you fold a piece of paper in half once you have 2 regions If you fold a paper in half twice you have 4 regions a Explain in words what happens to the number of regions each time you fold the paper in half b How many times do you have to fold a piece of paper in half to get 64 regions c Write an equation for r the number of regions if you fold a paper in half k times d Write an equation for k the number of times you must fold a paper in half to get r regions e Which of your two equations could you use to figure out the answer in part b