Rewrite the following statement using mathematical symbol.

$-34$ is less than $2$ times $-16$.

Rewrite the following statement using mathematical symbol.

Therefore the number $x$ equals the square root of $72$.

Rewrite the following statement using mathematical symbol.

A number $\left(x\right)$ is less than or equal to negative $45$.

Rewrite the following statement using mathematical symbol.

$\mathrm{\pi }$ is approximately equal to $3.14$.

Rewrite the following statement using mathematical symbol.

$5.1$ is greater than $5.01$.

Rewrite the following statement using mathematical symbol.

The sum of $3$ and $4$ is not equal to the product of $3$ and $4$.

Rewrite the following statement using mathematical symbol.

The difference between $12$ and $-12$ is greater than $12$.

Rewrite the following statement using mathematical symbol.

The sum of $-12$ and $-24$ is less than $0$.

Rewrite the following statement using mathematical symbol.

The product of $12$ and a number $\left(x\right)$ is approximately $-40$.