Respuesta :

Answer:

[tex] 5.99 \times {10}^{ - 9} \\ \\ 1.80 \times {10}^{9} \\ \\ 3.42 \times {10}^{ - 9} [/tex]

Step-by-step explanation:

Following numbers are written in scientific notations.

[tex]5.99 \times {10}^{ - 9} \\ \\ 1.80 \times {10}^{9} \\ \\ 3.42 \times {10}^{ - 9} [/tex]