Solve for $\displaystyle {x}$:


$\displaystyle {x}^{{\frac{{5}}{{2}}}}={4}$

(Please note that the power on $\displaystyle {x}$ is fractional.)
Round your answer for $\displaystyle {x}$ to the nearest tenth (one decimal place) and record it in the Answer Box.
Answer Box 1: $\displaystyle {x}=$