(9* 1010) - (4 * 1010) =
How to answer

Can someone answer these problems for me

What term makes it inconsistent y=2x - 4

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)