10th generation iPad is unresponsive and won't turn off

Try a forced shutdown.

click here ➜ If your iPad won't turn on or is frozen - Apple Support

This is a hardware restart and should work regardless of the iPad's status.

Read the link Phil0124 sent you all the way to the bottom. If the forced shutdown doesn’t fix the problem you need to hook your iPad to a computer and Restore it. The Restore process is in the link.