At the beginning of an experiment, there are 600 grams of contaminants. each hour, half of the contaminants are filtered out. how many grams of contaminants remain after 4 hours?

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If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the

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)