How many photos does a 2GB memory stick hold at 10.2 mega pixels?

That is a difficult question. The short answer is: depends on the camera/manufacturer/quality settings/filetype. It depends on how the camera processes the image and saves it, (MORE)

How many photos can a 70MB memory hold?

It depends on the quality of the photographs and the megapixels of the camera. Without this information all we can do is hazard an inaccurate guess. On average one picture (MORE)