Mitsuko571
Mitsuko571
07-09-2014
Mathematics
contestada
How many kilometers is 5.82 x 10⁴ cm?
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Аноним
Аноним
07-09-2014
[tex]1km=1000m=10^3m\\\\1m=100cm=10^2cm\\\\1km=10^3\times10^2cm=10^5cm\Rightarrow1cm=10^{-5}km\\\\5.82\times10^4cm=5.82\times10^4\times10^{-5}km=5.82\times10^{4-5}km=5.82\times10^{-1}km\\\\\boxed{5.82\times10^4cm=5.82\times10^{-1}km=0.582km}[/tex]
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