Exponents & Powers Quiz 3

$(100^0+2^{-1}+1^{-2})\div2^{-1}$ = ……

$3^5\div3^{-6}$ = ……

$[(\frac{2}{5})^{-1}]^{-1}$ = …

$(-2)^2$ = ….

a + a + a + … n times = …

Reciprocal of $(\frac{-5}{9})^{99}$ is ……

Which of the following is correct ?

$(xy)^{-2}.(xy)^2$ = ……

Cube of $\frac{-1}{2}$ = …

$(2^{-2})^{-3}$ = ……