Respuesta :

gmany

The scientific notation:

[tex]a\cdot 10^k[/tex] where [tex]1\leq a < 10[/tex] and [tex]k\in\mathbb{Z}[/tex]

[tex](3.1\cdot10^5)(2.2\cdot10^7)=(3.1)(2.2)(10^5\cdot10^7)\\\\=6.82\cdot10^{5+7}=6.82\cdot10^{12}[/tex]

Answer:

It's B.) 6.82 x 10^12

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