2 ⁻⁴ = 1 /2 ⁴ = 1 /16
5 ⁻² = 1 /5² = 1/25
10 ⁻³ = 1 /10 ³ = 1 /1000
0.1 ⁻² = 1/0.1 ² = 1/0.01
( - 3 ) ⁻³ = 1 / ( - 3 ) ³ = - 1/27
( - 11 ) ⁻² = 1 / ( - 11 )² = 1 /121
- 4 ⁻³ = - 1 /4 ³ = - 1 / 64
16 ⁻¹ = 1 /16
