Sep 8, 2018 #2 T tkhunny Well-known member MHB Math Helper Jan 27, 2012 267 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. $m^{2}$? Last edited: Sep 8, 2018
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. $m^{2}$?
Sep 8, 2018 Thread starter #3 I ilovewatermelon New member Sep 8, 2018 4 I accidentally posted the wrong picture to go with it. Gonna post another picture Attachments Screenshot 2018-09-08 at 10.14.35 PM.png 49.9 KB Views: 16
Sep 9, 2018 Admin #4 Klaas van Aarsen MHB Seeker Staff member Mar 5, 2012 8,780 ilovewatermelon said: I accidentally posted the wrong picture to go with it. Gonna post another picture Click to expand... We can find the periodic table for instance here: https://www.ptable.com Which numbers are listed for $\ce{Cr}$?
ilovewatermelon said: I accidentally posted the wrong picture to go with it. Gonna post another picture Click to expand... We can find the periodic table for instance here: https://www.ptable.com Which numbers are listed for $\ce{Cr}$?