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Need help urgently for bio Watch

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    A microscope is set up with an eyepiece graticule and a stage micrometer. Each division on a stage micrometer is 10 micrometers long
    At 10 times Magnification, 1 division on SM=6.5 divisions on the eye piece graticule. Calculate size of 1 division on the eye piece graticule to the nearest 0.1 micrometer
    The fact that we have to calculate to the nearest 0.1micrometer is confusing me!!!!
 
 
 
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