Respuesta :

Hello,

The answer is option B 4,320,000,000.

Reason:

1. First fine the ten million place.....

2. Look at the next number to the right (3)....

3. If the number is greater than 5 you round up one which is not so you dont round.....

5. Which keeps you at 
4,320,000,000.....

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit