8 × 10⁻⁷
= 0.8 × 10⁻⁶
= 0.08 × 10⁻⁵
= 0.008 × 10⁻⁴
= 0.0008 × 10⁻³
= 0.00008 × 10⁻²
= 0.000008 × 10⁻¹
= 0.0000008
