What keyboard do I use for iPad 10.9 10 generation
What key board is used for 10.9 iPad 10th generation
iPad, iPadOS 17
You might use third-party Bluetooth Keyboards (e.g., Logitech K380), Apple's Magic Keyboards (principally designed for Mac), or a compatible Apple Smart (folio) keyboard. The type of keyboard that you choose will ultimately be determined by your personal preferences.
Here are some viable options for iPad10 that are directly marketed by Apple:
Keyboards - iPad Accessories - Apple