ASHLEYISLANDS
ASHLEYISLANDS
12-06-2018
Mathematics
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NEED HELP IN MATH :)
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gmany
gmany
12-06-2018
[tex]\dfrac{3.4\cdot10^{-25}}{1.7\cdot10^{-27}}=\dfrac{3.4}{1.7}\cdot10^{-25-(-27)}\\\\=2\cdot10^{-25+27}=2\cdot10^2=2\cdot100=200[/tex]
A lead atom has about 200 times more mass.
Used:
[tex]\dfrac{a^n}{a^m}=a^{n-m}[/tex]
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