Determine if the statement is True or False.

$a^0=1,a0.$

If n is a real number and $b0,$ then $b^n>0.$

$3^{-2}=-9$

$a^n*a^m=a^{nm}$

$\sqrt[n]{a^{}}=a^{\frac{n}{n}}$

$1$

$2$

$3$

$4$

$5$