For a science fair project, Jenna is trying to estimate the population of armadillidiidae bugs (more commonly known as roly polies) on her parents' property. Jenna traps 170 roly polies, marks them, and releases them. She then replaces the traps and ends up catching 900 roly polies, 45 of which are marked. To the nearest whole number, what is the best estimate for the roly poly population