bonjour
4 ⁻¹ = 1/4 = 0.25
10 ⁻² = 1 /100 = 0.01
1 ⁻⁷ = 1 /7
( 1/6) ⁻¹ = 6
( 1/2) ⁻³ = 8
( 6/3) ⁻¹ = 3/6 = 0.5
