If a cell's surface area is 6 cm and its volume is 1 cm, then what is its ratio of surface area to volume?

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Borys Shumyatskiy eNotes educator | Certified Educator

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The ratio of two numbers is the same as their quotient,

a:b = a/b.

Here 6:1=6/1=6.

But area and volume aren't dimensionless. Area isn't 6 and even isn't 6cm as you wrote, it is probably `6 cm^2.` Also volume is `1cm^3.`

So the answer is `(6 cm^2)/(1 cm^3)=6 cm^(-1).`

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