Logarithm and A...

$$\displaystyle \left \{ \left ( \frac{5}{3} \right )^{15} \right \}^0$$ is equal to

State true or false:
$$\displaystyle \left ( \frac{2}{3} \right )^{4} \div \left ( \frac{2}{3} \right )^{6} = \left ( \frac{2}{3} \right )^{2}$$

State true or false: $$\displaystyle \left [ \left ( \frac{3}{7} \right )^{2}\right ]^3 = \left ( \frac{3}{7} \right )^{5}$$

State true or false: $$\displaystyle \left ( \frac{-7}{9} \right )^{2} \div \frac{49}{81} = - 1$$

Which expression is equivalent to 81?

$$\displaystyle \left ( \frac{1}{3} \right )^{7-7} = 2^0$$

The value of $$\displaystyle \left ( \frac{5}{3} \right )^{-8} \div \left ( \frac{5}{3} \right )^{-8}$$ is equal to

Which of the following expresses zero law of exponents?

The value of $$(2^0 - 3^0) \times 4^2$$ is---

If $$\displaystyle \log x=n$$ then 2n is equal to