What is the square of \( 10 \)?

The square of a number refers to the product of that number multiplied by itself. In this case, squaring 10 means calculating ( 10 \times 10 ).

When you perform this calculation, you get:

[ 10 \times 10 = 100. ]

Therefore, the square of 10 is 100, making it the correct answer. Understanding this fundamental mathematical operation is essential, as it forms the basis for more advanced operations in algebra and geometry.