ilovewatermelon
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Converting area from square centimeters to square meters
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tkhunny
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HInt: The long way from miles to kilometers...
$1\;mile\cdot\dfrac{5280\;ft}{1\;mile}\cdot\dfrac{12\;in}{1\;ft}\cdot\dfrac{2.54\;cm}{1\;in}\cdot\dfrac{1\;m}{100\;cm}\cdot\dfrac{1\;km}{1000\;m}$
Why is your problem any more difficult than this one?
Anyway, you seem to have forgotten that it was SQUARED and you didn't find the right factor.
$1\;\mu m = 10^{-6}\;m$
It's also possible the system is wondering where your units are hiding. $m^{2}$?
$1\;mile\cdot\dfrac{5280\;ft}{1\;mile}\cdot\dfrac{12\;in}{1\;ft}\cdot\dfrac{2.54\;cm}{1\;in}\cdot\dfrac{1\;m}{100\;cm}\cdot\dfrac{1\;km}{1000\;m}$
Why is your problem any more difficult than this one?
Anyway, you seem to have forgotten that it was SQUARED and you didn't find the right factor.
$1\;\mu m = 10^{-6}\;m$
It's also possible the system is wondering where your units are hiding. $m^{2}$?
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ilovewatermelon
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ilovewatermelon said:
We can find the periodic table for instance here: https://www.ptable.com
Which numbers are listed for $\ce{Cr}$?