Respuesta :

baumtyler13

Answer:

4.9 x 10^8

Step-by-step explanation:

hope it helped!

Hi1315

Answer:

[tex]2.1 \times {10}^{8} [/tex]

Step-by-step explanation:

[tex]7 \times {10}^{5} \times 3 \times {10}^{2} \\ 21 \times {10}^{5 + 2} \\ = 2.1 \times {10}^{8} [/tex]

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