Which of the following length measurements is (i) most precise and (ii) least precise? Give
reason. (i) l = 5 cm, (ii) l = 5.00 cm (iii) l = 5.000 cm (iv) l = 5.0000 cm
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Answer:
(iv) I= 5.0000 cm is most precise.
(i) l= 5 cm is least precise
Explanation:
Considering the concept of 'round off' we get that many people would consider lengths like 5.12cm, 5.112cm or 5.20cm as 5 cm. But to be more precise 5.0000 cm is a measurement accurate to us.
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