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A student examined a slide of human blood with a light microscope and made a careful drawing of the different cell types. The student used an eyepiece graticule so that the relative sizes of the different cell types were drawn accurately.

In the drawing:

● red blood cells were 7 mm in diameter

● lymphocytes were 6 mm in diameter

● neutrophils were 14 mm in diameter.

What is the linear magnification of the drawing?  

1 ) 

$$ \times 10$$

2 ) 

$$ \times 40$$

3 ) 

$$ \times 100$$

4 ) 

$$ \times 1000$$

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