What is 13515 in standard form?
i kind of know how to work out little numbers in standard form but i really do not understand how to do this !

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)

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.