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Recently in the United States, there were about 300,000,000 cell phone users. That same year there were about 5.7x10^9 cell phone users worldwide. About how many times larger was the number of cell phone users world wide than in the United States?

Please provide steps.


Sagot :

[tex] \frac{users worldwide}{US users} [/tex]
[tex] \frac{5700000000}{300000000} [/tex]
[tex]19[/tex]
US:  3 x 10^8
5.7 x 10^9  /  3 x 10^8 = 19