When formatting, I suppose you mean to reestablish it from the factory, if so, remember that in doing this, it completely cleans the tablet, deletes applications, documents, photos, videos and everything that you have entered, if you did not support your information, then I regret to tell you that lost everything
Or maybe you refer to the images you downloaded or took after this, if so, then open your gallery and left click on the image, you should leave a choice of properties or details, here gives you the exact location of where you are