Question
The diameter of a red blood cell is $6 \times 10^{-6} \mathrm{~m} .$(a) How many centimeters is this?(b) How many red blood cells are needed to make a line $1 \mathrm{~cm}$ long? $1 \mathrm{in}$. long?
Step 1
We need to convert this to centimeters. We know that $1 \mathrm{~m} = 100 \mathrm{~cm}$, so we multiply the given diameter by 100 to convert it to centimeters. \[6 \times 10^{-6} \mathrm{~m} \times 100 = 6 \times 10^{-4} \mathrm{~cm}\] Show more…
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