Question

4 supra 5 la puterea  -1 = ?
1supra3 totul la puterea -2 =?
4 la puterea 0 =?

Answer 1

4 supra 5 la puterea -1 = 5 supra 4 la puterea 1 .
4 la puterea 0 = 1

Answer 2

($\frac{4}{5}$)⁻¹=$\frac{1}{\frac{4}{5} }$=1·$\frac{5}{4}$= $\frac{5}{4}$
($\frac{1}{3}$ )⁻²=$\frac{1}({\frac{1}{3} }$)²=$\frac{1}{\frac{1}{9}}$=1·$\frac{9}{1}$= 9
4⁰=1