(4,9*10^3)*(4*10^2)
Здравей приятелю!
\((4.9\cdot 10^3)\cdot (4\cdot 10^2)\\ =4.9\cdot 10^3\cdot4\cdot 10^2\\ =4.9\cdot4\cdot 10^{3+2}\\ \color{blue}=19.6\cdot10^5=1.96\cdot 10^6=1\ 960\ 000\)
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