Let X∼Uniform(−a,a)X \sim \text{Uniform}(-a, a)X∼Uniform(−a,a) with a>0a > 0a>0. What is the variance of X2X^2X2?
4a445\frac{4a^4}{45}454a4
a445\frac{a^4}{45}45a4
4a49\frac{4a^4}{9}94a4
a45\frac{a^4}{5}5a4