Find the value of $x$ in following equation:

${\left(-2\right)}^x=-128$

Find the value of $x$ in following equation:

$9^x=729$

Value of $x$ in equation $2^x=1024$ is

Value of $x$ in equation ${\left(-10\right)}^x=1000000$ is

Value of $x$ in equation ${\left(-12\right)}^x=20736$ is

Value of $x$ in equation ${\left(\frac{-4}{x}\right)}^3=\frac{-64}{125}$ is

Value of $x$ in equation $\left(\frac{16}{81}\right)=x^4$ is

Value of $x$ in equation ${13}^x=2197$ is

value of $x$ in equation ${\left(-9\right)}^x=-729$ is