Respuesta :

Answer:

[tex]-7 = n[/tex]

Step-by-step explanation:

[tex]0,002 \times 0,0004 = 0,0000008[/tex]

[tex]0,0000008 = 8 \times {10}^{-7}[/tex]

* You must make sure that you have seven zeros in your decimal.

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