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InterviewSolution
| 1. |
What is the length in centimetres of a glass rod 7.82inches long ? |
| Answer» we know that 1 inch= 2.54 cmtherefore to convert 7.82 into cm we need to multiply it with 2.84 ....i.e., 7.82*2.54= 19.8628=19.9 cm (since the question has only 3 significant figures) | |