(i) 0.0000000000085 = 8.5 × 10⁻¹²(ii) 0.00000000000942 = 9.42 × 10⁻¹²(iii) 6020000000000000 = 6.02 × 10¹⁵(iv) 0.00000000837 = 8.37 × 10⁻⁹(v) 31860000000 = 3.186 × 10¹⁰