Exponents & Powers Quiz 7

$(\frac{4}{5})^3\times(\frac{4}{5})^{-6}=(\frac{4}{5})^{2x-1},$ x = ……

The standard form of $\frac{622}{100,00,00,000}$ is ……

$3^0+4^0+5^0-3^0$ = ……

$-4^{-1}+8^{-1}\div(\frac{2}{3})^{-1}$ = ……

$(\frac{-1}{5})^{-1}$ = ……

$(\frac{2}{3})^{-3}$ = ……

$64^{-0.5}$ = ……

$1+(9-10)^{-5}$ = ……

$x=3^{400},y=4^{300}$ then ……

$64^{2/3}$ = ……