$a)3^3=27$

$\text{bo}3\cdot 3\cdot 3=27$

$b){1000}^2={10}^6$

$\text{bo}{1000}^2=1000\cdot 1000=1000000\text{i}{10}^6=1000000$ $\text{bo}{1000}^2=1000\cdot 1000=1000000\text{i}{10}^6=1000000$

$c)4^2=16$

$\text{bo}4\cdot 4=16$

$d)5^2=25$

$\text{bo}5\cdot 5=25$

$e){\left(-1\right)}^5=-1$

$\text{bo}\left(-1\right)\cdot \left(-1\right)\cdot \left(-1\right)\cdot \left(-1\right)\cdot \left(-1\right)=1\cdot 1\cdot \left(-1\right)=\left(-1\right)$

$f){\left(\frac{2}{3}\right)}^4=\frac{16}{81}$

$\text{bo}\frac{2}{3}\cdot \frac{2}{3}\cdot \frac{2}{3}\cdot \frac{2}{3}=\frac{2\cdot 2\cdot 2\cdot 2}{3\cdot 3\cdot 3\cdot 3}=\frac{16}{81}$

$g){10}^5=10000$

$h){\left(-2\right)}^5=-32$

$i){\left(\frac{1}{5}\right)}^4=\frac{1}{625}$

$\text{bo}\frac{1}{5}\cdot \frac{1}{5}\cdot \frac{1}{5}\cdot \frac{1}{5}=\frac{1}{25}\cdot \frac{1}{25}=\frac{1}{625}$