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Question:

Express the following numbers in the standard form :(i) 0.0000000000085 (ii) 0.00000000000942 (iii) 6020000000000000 (iv) 0.00000000837 (v) 31860000000

Solution:

(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