16 Gigabyte SD Cards are SDHC, (SDHighCapacity), which means they only work on newer cameras. Check to make sure it will work with yours before you buy the card. On newer cameras, 16 GBs should hold roughly 4000 to 5000 pictures, as long as you don't take videos as well.
It depends on what you will want to store on your iPad.
you can store 500
For many, 16gb is more than adequate. This allows you to store a couple movies, music's, games, photos, etc. If you have an extensive collection of any of these things then, the 64gb option might be for you.
it means a store that has photos it means a store that has photos it means a store that has photos it means a store that has photos
500
1000
This can depend on the memory of your iPhone, but a 8gb Iphone can hold 2000 songs. But again this could depend on the quality of the photos and length of the song
Approximately 170 photos
A lot! Honestly, with some good quality, anywhere from 2,500-10,000
32g . you can store more on it.
It depends on the resolution of the camera, as well as the subject. Every JPG file is a different size.
Roughly 4000 to 15000 songs depending upon size of songs that you are storing.