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Question:

Convert the following into SI unit: (i) 28.7 pm (ii) 15.15 pm (iii) 25365 mg

Solution:

SI unit of length is metre and that of mass is Kg.
The conversions into SI unit are shown below:
(i) 28.7 pm = 28.7 pm × 1m/1012pm = 2.87 × 10-11m
(ii) 15.15 pm = 15.15 pm × 1m/1012pm = 1.515 × 10-11m
(iii) 25365 mg = 25365 mg × 1kg/106mg = 2.5365 × 10-2kg