Which of the following is not a characteristic for a normal distribution?

A) It is symmetrical.
B) The mean is always zero.
C) The mean,median,and mode are all equal.
D) It is a bell-shaped distribution.

Evaluate to six-figure accuracy:
$\left(4^4\right)\left(3^{-3}\right){\left(-\frac{3}{4}\right)}^3$