To calculate \( \frac{1}{2} \times 10 \times 10 \), you can follow these steps:
- First, multiply \( 10 \times 10 = 100 \).
- Then, multiply the result by \( \frac{1}{2} \): \[ \frac{1}{2} \times 100 = 50. \]
So, \( \frac{1}{2} \times 10 \times 10 = 50 \).