It should have 16, 32 or 64 gigabytes. How much is 'free' after the operating system, all your apps, music and other stuff is variable.
You can have as many as your memory will hold.
It depends on how many gigabytes of memory you have in it.
It depends how much GB your iPad has and how much memory the app uses.
The internal memory can hold from 300-400 pictures.
The Nook Color has 8GB internal memory, and the Nook WiFi has 2GB internal memory.
Since each photo is about 7 KB and there are 1000 KB in a MB and 1000 MB in a single GB, you will be able to store 2,285,714 pictures on a 16 GB iPad, 4,571,428 pictures on a 32 GB iPad, and 9,142,857 pictures on a 64 GB iPad. In conclusion, you should be fine with just a 16 gig.
Each picture is approximately 2.5MB, so you should be able to fit 4 pictures on 11MB of memory. Use a memory card instead of internal memory and you will be able to save hundreds of pictures.
It has 4GB internal memory - BUT - is capable of using micro SD memory cards fro expansion.
1 Kilobyte
With the assumption that each picture taken by the camera is 4 Mb, 32 Mb of memory can save a few pictures. It can only save 8 pictures.
This is relative to your camera's settings (specifically its resolution) as well as the amount of internal memory your camera has and the size of your memory card.
Most digital camera's on the market nowadays need a internal memory card. These may come in various forms like compact flash, SD cards, Memory sticks, etc. You will need to find the brand and model to help you find out what kind of memory card you will need. Most digital camera's will tell you what kind of memory card it takes where you insert it on the camera. The store where you bought your camera from should carry memory cards and/or they should be able to advise you in what kind to get. These memory cards can be purchase online or at many electronic or department stores. Depending on your camera's mega-pixels you may need a larger memory card to hold more photos.