A fair coin is tossed $10$ times. What is the probability that $\text{ONLY}$ the first two tosses will yield heads?
- $\left(\frac{1}{2}\right)^{2}$
- ${ }^{10} C_{2}\left(\frac{1}{2}\right)^{2}$
- $\left(\frac{1}{2}\right)^{10}$
- ${ }^{10} C_{2}\left(\frac{1}{2}\right)^{10}$