cherry7girl
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i know how to calculate % uncertainty but in this biology magnification question it's asking for the 'uncertainty of your calculated maximum length'
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QuentinM
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(Original post by onedance1)
i know how to calculate % uncertainty but in this biology magnification question it's asking for the 'uncertainty of your calculated maximum length'
Uncertainty in measurement questions like this is usually worked out as (smallest division of measurement) / measured length. The "smallest division" can be worked out as either half the smallest division on your measuring equipment (e.g. if you can measure up to 1cm with a ruler, use 0.5cm) or the smallest significant figure in your measured length (e.g. for a length of 76.1cm, the smallest division is 0.1cm)
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