Respuesta :

Hrishii

Answer:

B. 9x10^4

Step-by-step explanation:

[tex] \frac{4.5 \times {10}^{8} }{5 \times {10}^{3} } \\ = 0.9 \times {10}^{8 - 3} \\ = 0.9 \times {10}^{5} \\ = 9 \times {10}^{4} [/tex]

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