10 squared *should* be 100.
Step-by-step explanation:
Okay, but for real, though. If you square 10, it turns it to 10 x 10.
For example, 2 squared is 4 because it's 2 x 2, so 10 squared would be 100.
Hope this answer works for you, and I hope it helps you understand what it means if a number is squared.