Solve for the zeroes of the following function by factoring or quadratic formula f(x)=x2+10x+16

How to do this , and can some one explain

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)

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5