If you know that the exact volume of a cylinder is 500 π cm3, how can you find the approximate volume, without knowing the height or radius of the cylinder? answer in a full sentence, and then calculate the approximate volume.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.