winner123

Verified answer

Bonsoir

100 x 10 ⁻⁶ = 1 x 10⁻⁵
0.7 x  10 ⁻⁵ = 7 x 10⁻⁶
30 x 10 ⁻⁸ = 3 x 10⁻⁷
0.0085 x 10 ⁻³ = 8.5 x 10⁻⁶
0.343 x 10⁻⁹ = 3.43 x 10⁻¹⁰
140 x 10⁻¹² = 1.4 x 10⁻¹⁰